{"product_id":"continuum-optical-track-light-et2","title":"ET2 Continuum LED Optical Track Light","description":"\u003cdiv class=\"lm-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eContinuum Optical\u003c\/strong\u003e is a 2.75 inch wide LED head that snaps onto the Continuum 24V track. It comes in Black or White, and a Sunset Optical version is offered in the same sizes and finishes.\u003c\/p\u003e\n\u003cp\u003eIt comes in 2 versions: Optical and Sunset Optical. Finishes: Black and White. Glass: Sunset.\u003c\/p\u003e\n\u003ch2\u003eChoose Your Version\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"lm-table\" style=\"width:100%;max-width:100%;table-layout:auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eVersion\u003c\/th\u003e\n\u003cth style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eDimensions\u003c\/th\u003e\n\u003cth style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eWattage\u003c\/th\u003e\n\u003cth style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eLumens\u003c\/th\u003e\n\u003cth style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eFinishes\u003c\/th\u003e\n\u003cth style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eItem numbers\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eOptical\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e5.75 x 2.75 x 4.25 (L x W x H, in)\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e5W\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e350\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eBlack; White\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eETL21214-BK, ETL21214-WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eSunset Optical\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e5.75 x 2.75 x 4.25 (L x W x H, in)\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e5W\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e350\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eBlack; White\u003c\/td\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eETL21214-114BK, ETL21214-114WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eThe Design Story\u003c\/h2\u003e\n\u003cp\u003eThe Optical head is 2.75 inches wide, 5.75 inches long and 4.25 inches high, built from aluminum and PMMA, an acrylic. ET2 also lists a Sunset Optical version of the same head, priced a little higher; it has the same wattage and lumens. In the photos the Sunset glass is tinted pink and blue, and it throws a colored glow.\u003c\/p\u003e\n\u003ch2\u003eWhy You’ll Love It\u003c\/h2\u003e\n\u003cp\u003eThe LED is built in and rated for 50,000 hours. It draws 5 watts and delivers 350 lumens at 3000K with a CRI of 90, and it dims with a Triac dimmer. It is rated for dry locations.\u003c\/p\u003e\n\u003ch2\u003eMade for Real Life\u003c\/h2\u003e\n\u003cp\u003eThe LED is built in, so there is no bulb to find or match. Wipe the finish with a soft damp cloth and skip abrasive or solvent cleaners.\u003c\/p\u003e\n\u003cp\u003eNot sure which finish to pick? \u003ca href=\"\/pages\/finishes-explained-lighting\"\u003eFinishes explained\u003c\/a\u003e walks through the options.\u003c\/p\u003e\n\u003ch2\u003eWorks With This Item\u003c\/h2\u003e\n\u003cp\u003eThis item mounts on a Continuum track, and the track, a driver and any connectors are separate items. Everything below is sold separately.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack rail:\u003c\/strong\u003e \u003ca href=\"\/products\/continuum-track-rail-et2\"\u003eContinuum Track Rail\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower (driver):\u003c\/strong\u003e \u003ca href=\"\/products\/continuum-96w-on-track-driver-et2\"\u003eContinuum 96W On-Track Driver\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-96w-remote-hard-wired-driver-et2\"\u003eContinuum 96W Remote Hard-Wired Driver\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack connectors:\u003c\/strong\u003e \u003ca href=\"\/products\/continuum-end-to-end-track-connector-et2\"\u003eContinuum End to End Track Connector\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-90-degree-corner-track-connector-et2\"\u003eContinuum 90 Degree Corner Track Connector\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-wall-to-ceiling-track-connector-et2\"\u003eContinuum Wall to Ceiling Track Connector\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-3-way-t-track-connector-et2\"\u003eContinuum 3-Way T Track Connector\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-4-way-x-track-connector-et2\"\u003eContinuum 4-Way X Track Connector\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-end-track-connector-et2\"\u003eContinuum End Track Connector\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug, cover plates and splice box:\u003c\/strong\u003e \u003ca href=\"\/products\/continuum-track-plug-and-cover-plate-et2\"\u003eContinuum Track Plug and Cover Plate\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-track-cover-plate-et2\"\u003eContinuum Track Cover Plate\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-track-splice-box-et2\"\u003eContinuum Track Splice Box\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack pendants:\u003c\/strong\u003e \u003ca href=\"\/products\/continuum-handler-track-pendant-et2\"\u003eContinuum Handler Track Pendant\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-tube-track-pendant-et2\"\u003eContinuum Tube Track Pendant\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-rope-track-pendant-et2\"\u003eContinuum Rope Track Pendant\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-sphere-track-pendant-et2\"\u003eContinuum Sphere Track Pendant\u003c\/a\u003e, \u003ca href=\"\/products\/continuum-snowball-track-pendant-et2\"\u003eContinuum Snowball Track Pendant\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePutting It Together\u003c\/h2\u003e\n\u003cp\u003eET2 posts an assembly sheet for each version: \u003ca href=\"https:\/\/www.et2online.com\/pdf\/instruction\/ETL21214.pdf\" target=\"_blank\" rel=\"noopener\"\u003eOptical (PDF)\u003c\/a\u003e and \u003ca href=\"https:\/\/www.et2online.com\/pdf\/instruction\/ETL21214.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSunset Optical (PDF)\u003c\/a\u003e. ET2 recommends a qualified electrician for the install.\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"lm-table\" style=\"width:100%;max-width:100%;table-layout:auto\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eMaker\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eET2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eProduct\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eContinuum LED Optical Track Light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eType\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eLED optical head for the Continuum 24V track system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e5.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eWidth\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e2.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eHeight\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e4.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eFinishes\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eBlack; White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eGlass\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eSunset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eAluminum, Acrylic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eLight source\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eIntegrated LED, 50,000 hour rated life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eWattage\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eLumens\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eColor temperature\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e3000K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eCRI\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eInput voltage\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eDimming\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eTriac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eLocation rating\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eDry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eCalifornia Title 24\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eCertification\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003ecETLus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eNet weight\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e0.48 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003ePacked weight\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003e0.73 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:36%;min-width:8.5em;overflow-wrap:normal;word-break:normal;white-space:normal;vertical-align:top\"\u003eItem numbers\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eOptical Black: ETL21214-BK; Optical White: ETL21214-WT; Sunset Optical Black, Sunset glass: ETL21214-114BK; Sunset Optical White, Sunset glass: ETL21214-114WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eWhere It Shines\u003c\/h2\u003e\n\u003cp\u003eIts low output suits accent and display lighting along a Continuum track, such as a shelf, a niche or a short wall.\u003c\/p\u003e\n\u003ch2\u003eQuestions We Hear Most\u003c\/h2\u003e\n\u003ch3\u003eWhat is the difference between Optical and Sunset Optical?\u003c\/h3\u003e\n\u003cp\u003eBoth are the same size and draw 5 watts for 350 lumens at 3000K. The Sunset Optical is the version ET2 lists with Sunset glass, at a slightly higher price. ET2 does not describe it in more detail, so choose it by the Glass option on this page.\u003c\/p\u003e\n\u003ch3\u003eHow big is the Continuum Optical head?\u003c\/h3\u003e\n\u003cp\u003eEvery version is 5.75 in long, 2.75 in wide and 4.25 in high. The Choose Your Version table above lists each size.\u003c\/p\u003e\n\u003ch3\u003eHow much light does the Continuum Optical head give?\u003c\/h3\u003e\n\u003cp\u003eDelivered output is 350 lumens, with a color temperature of 3000K and CRI 90.\u003c\/p\u003e\n\u003ch3\u003eWill my dimmer work with it?\u003c\/h3\u003e\n\u003cp\u003eET2 lists the dimming as Triac. Send us your dimmer or driver model and we will help you confirm the match before you order.\u003c\/p\u003e\n\u003ch3\u003eCan the LED in the Continuum Optical head be replaced?\u003c\/h3\u003e\n\u003cp\u003eThe LED is integrated and ET2 does not list the board as replaceable, so plan on it as a permanent light source with a rated life of 50,000 hours.\u003c\/p\u003e\n\u003ch3\u003eWhere can I install the Continuum Optical head?\u003c\/h3\u003e\n\u003cp\u003eIt is rated for dry locations only, so keep it indoors and out of any space exposed to rain or direct water. ET2 recommends a qualified electrician for the install.\u003c\/p\u003e\n\u003ch2\u003eWhy We Love It\u003c\/h2\u003e\n\u003cp\u003eIt is a low-output accent head that ET2 offers in a Sunset version.\u003c\/p\u003e\n\u003ch2\u003eShipping Info\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"lm-shipping-table\" style=\"width:100%;max-width:100%;table-layout:auto\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eProcessing Time\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eShips in 3 to 5 business days.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eShips From\u003c\/th\u003e\n\u003ctd style=\"overflow-wrap:anywhere;word-break:normal;white-space:normal;vertical-align:top\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the difference between Optical and Sunset Optical?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Both are the same size and draw 5 watts for 350 lumens at 3000K. The Sunset Optical is the version ET2 lists with Sunset glass, at a slightly higher price. ET2 does not describe it in more detail, so choose it by the Glass option on this page.\"}},{\"@type\":\"Question\",\"name\":\"How big is the Continuum Optical head?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Every version is 5.75 in long, 2.75 in wide and 4.25 in high. The Choose Your Version table above lists each size.\"}},{\"@type\":\"Question\",\"name\":\"How much light does the Continuum Optical head give?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Delivered output is 350 lumens, with a color temperature of 3000K and CRI 90.\"}},{\"@type\":\"Question\",\"name\":\"Will my dimmer work with it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ET2 lists the dimming as Triac. Send us your dimmer or driver model and we will help you confirm the match before you order.\"}},{\"@type\":\"Question\",\"name\":\"Can the LED in the Continuum Optical head be replaced?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The LED is integrated and ET2 does not list the board as replaceable, so plan on it as a permanent light source with a rated life of 50,000 hours.\"}},{\"@type\":\"Question\",\"name\":\"Where can I install the Continuum Optical head?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is rated for dry locations only, so keep it indoors and out of any space exposed to rain or direct water. 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