{"product_id":"lotus-tangra-l1f-rdt","title":"Lotus Tangra L1F-RDT 1\" Fixed Round Deep-Regressed LED Downlight | Thin Trim","description":"\u003cdiv class=\"product-choice-guide lotus-mini-tangra-guide\"\u003e\n\u003cp\u003e\u003cstrong\u003eQuick choice:\u003c\/strong\u003e The \u003cstrong\u003eLotus Tangra L1F-RDT\u003c\/strong\u003e is a Canadian-made, \u003cstrong\u003e1-inch fixed round, deep-regressed, thin-trim architectural LED downlight\u003c\/strong\u003e designed for accent or general illumination with a small, low-glare aperture. Choose the exact finish, optic and CRI grade above; the selected variant determines the manufacturer SKU, barcode and price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVerified at a glance:\u003c\/strong\u003e \u003cstrong\u003e5W\u003c\/strong\u003e fixture; \u003cstrong\u003eup to 470 lumens at 4000K, CRI95\u003c\/strong\u003e; 24V DC constant-voltage input; five selectable CCTs (2700\/3000\/3500\/4000\/5000K); CRI95 or CRI98 by SKU; 25° or 40° optics; five trim finishes; \u003cstrong\u003e1-3\/8-inch ceiling cutout\u003c\/strong\u003e; 3-inch space above ceiling. \u003cstrong\u003eCompatible Lotus driver sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eChoose the exact L1F-RDT configuration\u003c\/h2\u003e\n\u003cp\u003eLotus lists \u003cstrong\u003e30 orderable manufacturer combinations\u003c\/strong\u003e, all represented by individual Shopify variants. Do not purchase by the L1F-RDT family name alone; finish, reflector, beam and CRI determine the specific SKU.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrim finish:\u003c\/strong\u003e White (WH), Black (BK), Oil Rubbed Bronze (BR), Alzak (AZ), or White\/Black Duo (WB). The finish shown in the selected image is a visual reference; the SKU is the source of truth for ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptic and nominal beam:\u003c\/strong\u003e RC25 = clear-glass reflector, 25°; RC40 = clear-glass reflector, 40°; RF40 = frosted-glass reflector, 40°. A frosted 25° option is not listed for this family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED choice:\u003c\/strong\u003e 5C95 = five selectable CCTs, CRI95; 5C98 = five selectable CCTs, CRI98. CRI grade is tied to the variant, not one universal product-level value.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSelection guidance:\u003c\/strong\u003e Start with the architect's finish schedule, then choose 25° when a narrower beam is specified or 40° when a wider listed beam is required. Select clear or frosted reflector by the required appearance. Choose CRI95 or CRI98 as specified by the project. The model is \u003cstrong\u003efixed\u003c\/strong\u003e; choose a Tangra gimbal family if field aiming is required.\u003c\/p\u003e\n\u003ch2\u003eVerified manufacturer specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFixture model\u003c\/th\u003e\n\u003ctd\u003eLotus L1F-RDT — Tangra 1-inch Fixed Round Deep Regressed Thin Trim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFixture power\u003c\/th\u003e\n\u003ctd\u003e5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFixture electrical input\u003c\/th\u003e\n\u003ctd\u003e24V DC constant voltage; parallel daisy-chain installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaximum stated output\u003c\/th\u003e\n\u003ctd\u003eUp to 470 lumens \u003cstrong\u003eat 4000K, CRI95\u003c\/strong\u003e; not a guaranteed value for every CCT, CRI or optical combination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSelectable CCTs\u003c\/th\u003e\n\u003ctd\u003e2700K, 3000K, 3500K, 4000K and 5000K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eColour rendering\u003c\/th\u003e\n\u003ctd\u003eCRI95 or CRI98 depending on selected manufacturer variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNominal beam choices\u003c\/th\u003e\n\u003ctd\u003e25° clear reflector; 40° clear or frosted reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimming\u003c\/th\u003e\n\u003ctd\u003e100% down to 0.1% with Lotus-supplied compatible 5-in-1 dimmable drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInstallation cutout\u003c\/th\u003e\n\u003ctd\u003e1-3\/8-inch round opening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpace above ceiling\u003c\/th\u003e\n\u003ctd\u003e3 inches required per Lotus sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFixture illustration\u003c\/th\u003e\n\u003ctd\u003eApprox. 1-1\/2-inch trim outer diameter and 2-3\/4-inch fixture height shown on manufacturer dimensional drawing; confirm job-site fit from the original drawing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAmbient operating range\u003c\/th\u003e\n\u003ctd\u003e-40°C to +45°C (-40°F to +113°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated life\u003c\/th\u003e\n\u003ctd\u003eL70: 50,000 hours (projected 70% light output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eConstruction \/ origin\u003c\/th\u003e\n\u003ctd\u003eSolid cast aluminum body; made in Canada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer-listed approvals\u003c\/th\u003e\n\u003ctd\u003ecETLus, FCC, Type IC, air tight, wet location. Confirm application-specific approvals with the current manufacturer sheet and local code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWarranty statement\u003c\/th\u003e\n\u003ctd\u003eLotus states coverage for as long as it manufactures this line, plus five years; refer to the manufacturer's full terms and conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eDriver and dimming compatibility — sold separately\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThis is a 24V DC fixture, not a direct line-voltage downlight.\u003c\/strong\u003e Compatible Lotus Mini Tangra drivers accept \u003cstrong\u003e120-277V input\u003c\/strong\u003e and provide 5-in-1 dimming down to 0.1%, as listed in the L1F-RDT sheet. The separate driver is \u003cstrong\u003enot included\u003c\/strong\u003e with a fixture SKU.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eLotus driver SKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDriver rating\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eManufacturer maximum\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eKVE-24030-TMWJ1-VA\u003c\/td\u003e\n\u003ctd\u003e30W\u003c\/td\u003e\n\u003ctd\u003eUp to 6 L1F-RDT fixtures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKVE-24060-TMWJ1-VA\u003c\/td\u003e\n\u003ctd\u003e60W\u003c\/td\u003e\n\u003ctd\u003eUp to 12 L1F-RDT fixtures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKVE-24096-TMWJ1-VA\u003c\/td\u003e\n\u003ctd\u003e96W\u003c\/td\u003e\n\u003ctd\u003eUp to 19 L1F-RDT fixtures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThese are \u003cstrong\u003eLotus's stated fixture-count limits for this exact model\u003c\/strong\u003e, not a substitute for the electrical design. Confirm allowable cable lengths, dimmer and control compatibility, wiring rules, installation topology and circuit requirements before ordering for a project.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/lotus-tangra-24v-5-in-1-dimmable-drivers\"\u003eShop the matching Lotus Mini Tangra 24V driver family\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eCutout, rough-in plate and installation planning\u003c\/h2\u003e\n\u003cp\u003eThe L1F-RDT specification explicitly calls for a \u003cstrong\u003e1-3\/8-inch round fixture cutout\u003c\/strong\u003e and \u003cstrong\u003e3 inches of space above the ceiling\u003c\/strong\u003e. Verify those dimensions against the ceiling assembly and current installation instructions before cutting.\u003c\/p\u003e\n\u003cp\u003eFor preconstruction, Lotus lists the \u003cstrong\u003ePR-138\u003c\/strong\u003e accessory — a 26-inch flat rough-in plate. It is a separate product and the distributor's published order minimum is \u003cstrong\u003efive pieces\u003c\/strong\u003e. \u003ca href=\"\/products\/lotus-tangra-1-2-rough-in-plates\"\u003eSee Lotus Mini Tangra rough-in plates; select PR-138\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eThe sheet lists \u003cstrong\u003eType IC, air-tight and wet-location suitability\u003c\/strong\u003e; it does \u003cstrong\u003enot\u003c\/strong\u003e establish an open-plenum rating, an IP numeric grade, a fire-resistance duration or an installation-specific dimmer approval. Do not infer those from other Tangra products.\u003c\/p\u003e\n\u003ch2\u003eWhich Lotus downlight should you choose instead?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eL1F-SDT:\u003c\/strong\u003e 1-inch fixed \u003cstrong\u003esquare\u003c\/strong\u003e deep-regressed thin-trim model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL1F-RDI:\u003c\/strong\u003e 1-inch fixed round \u003cstrong\u003einvisible-trim\u003c\/strong\u003e alternative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL2F-RDT:\u003c\/strong\u003e 2-inch fixed round deep-regressed thin-trim model where a larger aperture is preferred.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL2G-RRT or L2G-SRT:\u003c\/strong\u003e 2-inch gimbal families when \u003cstrong\u003edirectional aiming\u003c\/strong\u003e is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked ordering questions\u003c\/h2\u003e\n\u003ch3\u003eIs the driver included in the price?\u003c\/h3\u003e\n\u003cp\u003eNo. Each L1F-RDT orderable SKU is a fixture configuration; a properly sized Lotus 24V 5-in-1 driver and any PR-138 rough-in plates are separate line items.\u003c\/p\u003e\n\u003ch3\u003eIs 470 lumens guaranteed for CRI98 or for every CCT?\u003c\/h3\u003e\n\u003cp\u003eNo. The manufacturer's published \u003cstrong\u003eup-to-470-lumen figure applies at 4000K and CRI95\u003c\/strong\u003e. Photometric output for CRI98 and other configurations must be confirmed separately if a lighting calculation depends on the precise number.\u003c\/p\u003e\n\u003ch3\u003eHow do I verify the correct SKU for a project?\u003c\/h3\u003e\n\u003cp\u003eChoose trim finish, optic\/beam and CRI in the variant picker, and use the resulting complete manufacturer SKU and UPC on drawings, quotations and purchase orders. The product photo alone does not identify the optical combination.\u003c\/p\u003e\n\u003ch3\u003eIs the fixture in stock and ready to ship?\u003c\/h3\u003e\n\u003cp\u003eLotus's October 2026 new-products announcement indicated \u003cstrong\u003eNovember 2026\u003c\/strong\u003e as its planned stocking period. That announcement does \u003cstrong\u003enot\u003c\/strong\u003e confirm Simply Controlled on-hand stock, current supplier availability or an exact shipping date.\u003c\/p\u003e\n\u003ch3\u003eWhere can I check installation details and warranty?\u003c\/h3\u003e\n\u003cp\u003eReview the \u003ca href=\"https:\/\/www.lotusledlights.com\/resources\/Spec-Sheet-L1F-RDT.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eofficial L1F-RDT specification sheet\u003c\/a\u003e and \u003ca href=\"https:\/\/www.lotusledlights.com\/lotus-resources\/warranty\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eLotus warranty information\u003c\/a\u003e. Confirm the document revision and local electrical-code requirements for the final installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Lotus LED Lights","offers":[{"title":"White \/ Clear Reflector 25° \/ 95","offer_id":67750447939775,"sku":"L1F-RDT-WH-RC25-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Clear Reflector 40° \/ 95","offer_id":67750447972543,"sku":"L1F-RDT-WH-RC40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Frosted Reflector 40° \/ 95","offer_id":67750448005311,"sku":"L1F-RDT-WH-RF40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Clear Reflector 25° \/ 95","offer_id":67750448038079,"sku":"L1F-RDT-BK-RC25-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Clear Reflector 40° \/ 95","offer_id":67750448070847,"sku":"L1F-RDT-BK-RC40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Frosted Reflector 40° \/ 95","offer_id":67750448103615,"sku":"L1F-RDT-BK-RF40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Bronze \/ Clear Reflector 25° \/ 95","offer_id":67750448136383,"sku":"L1F-RDT-BR-RC25-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Bronze \/ Clear Reflector 40° \/ 95","offer_id":67750448169151,"sku":"L1F-RDT-BR-RC40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Bronze \/ Frosted Reflector 40° \/ 95","offer_id":67750448201919,"sku":"L1F-RDT-BR-RF40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Alzak \/ Clear Reflector 25° \/ 95","offer_id":67750448234687,"sku":"L1F-RDT-AZ-RC25-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Alzak \/ Clear Reflector 40° \/ 95","offer_id":67750448267455,"sku":"L1F-RDT-AZ-RC40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Alzak \/ Frosted Reflector 40° \/ 95","offer_id":67750448300223,"sku":"L1F-RDT-AZ-RF40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White\/Black Duo \/ Clear Reflector 25° \/ 95","offer_id":67750448332991,"sku":"L1F-RDT-WB-RC25-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White\/Black Duo \/ Clear Reflector 40° \/ 95","offer_id":67750448365759,"sku":"L1F-RDT-WB-RC40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White\/Black Duo \/ Frosted Reflector 40° \/ 95","offer_id":67750448398527,"sku":"L1F-RDT-WB-RF40-5C95","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Clear Reflector 25° \/ 98","offer_id":67750448431295,"sku":"L1F-RDT-WH-RC25-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Clear Reflector 40° \/ 98","offer_id":67750448464063,"sku":"L1F-RDT-WH-RC40-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Frosted Reflector 40° \/ 98","offer_id":67750448496831,"sku":"L1F-RDT-WH-RF40-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Clear Reflector 25° \/ 98","offer_id":67750448529599,"sku":"L1F-RDT-BK-RC25-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Clear Reflector 40° \/ 98","offer_id":67750448562367,"sku":"L1F-RDT-BK-RC40-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Frosted Reflector 40° \/ 98","offer_id":67750448595135,"sku":"L1F-RDT-BK-RF40-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Bronze \/ Clear Reflector 25° \/ 98","offer_id":67750448627903,"sku":"L1F-RDT-BR-RC25-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Bronze \/ Clear Reflector 40° \/ 98","offer_id":67750448660671,"sku":"L1F-RDT-BR-RC40-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Bronze \/ Frosted Reflector 40° \/ 98","offer_id":67750448693439,"sku":"L1F-RDT-BR-RF40-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Alzak \/ Clear Reflector 25° \/ 98","offer_id":67750448726207,"sku":"L1F-RDT-AZ-RC25-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Alzak \/ Clear Reflector 40° \/ 98","offer_id":67750448758975,"sku":"L1F-RDT-AZ-RC40-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"Alzak \/ Frosted Reflector 40° \/ 98","offer_id":67750448791743,"sku":"L1F-RDT-AZ-RF40-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White\/Black Duo \/ Clear Reflector 25° \/ 98","offer_id":67750448824511,"sku":"L1F-RDT-WB-RC25-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White\/Black Duo \/ Clear Reflector 40° \/ 98","offer_id":67750448857279,"sku":"L1F-RDT-WB-RC40-5C98","price":88.99,"currency_code":"CAD","in_stock":false},{"title":"White\/Black Duo \/ Frosted Reflector 40° \/ 98","offer_id":67750448890047,"sku":"L1F-RDT-WB-RF40-5C98","price":88.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0410\/6262\/9541\/files\/L1F-RDT-WH-1000.png?v=1792803890","url":"https:\/\/www.simplycontrolled.ca\/products\/lotus-tangra-l1f-rdt","provider":"Simply Controlled","version":"1.0","type":"link"}