{"product_id":"lotus-tangra-l1f-rdi","title":"Lotus Tangra L1F-RDI 1\" Fixed Round Invisible-Trim LED Downlight | 5CCT","description":"\u003cdiv class=\"lotus-mini-tangra-choice-guide\"\u003e\n\u003cp\u003e\u003cstrong\u003eQuick choice:\u003c\/strong\u003e The \u003cstrong\u003eLotus Tangra L1F-RDI\u003c\/strong\u003e is a Canadian-made \u003cstrong\u003e1-inch fixed round, deep-regressed invisible-trim LED downlight\u003c\/strong\u003e for discreet, trimless architectural accent and general lighting. Its recessed light source supports a minimal-glare appearance when the ceiling is finished for an invisible trim. Choose L1F-RDI for a \u003cstrong\u003etrimless 1-inch nominal aperture\u003c\/strong\u003e; choose L1F-RDT instead if the design calls for a visible thin trim. \u003cstrong\u003eL1F-RDI is fixed, not a tilt-adjustable gimbal.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAt a glance:\u003c\/strong\u003e \u003cstrong\u003e5W\u003c\/strong\u003e • \u003cstrong\u003eup to 490 lumens at 4000K\/CRI95\u003c\/strong\u003e (manufacturer test condition) • \u003cstrong\u003e24V DC constant-voltage fixture\u003c\/strong\u003e • five selectable white CCTs (2700, 3000, 3500, 4000, 5000K) • CRI95 or CRI98 by SKU • 25° clear, 40° clear or 40° frosted optics • white or black finishes • \u003cstrong\u003e1½-inch ROUND ceiling cutout\u003c\/strong\u003e • \u003cstrong\u003e3 inches space above ceiling\u003c\/strong\u003e • manufacturer lists Type IC, air tight and wet location • \u003cstrong\u003eseparate Lotus KVE 5-in-1 dimmable driver required\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eSelect the correct fixture from 12 manufacturer SKUs\u003c\/h2\u003e\n\u003cp\u003eChoose \u003cstrong\u003efinish, optic\/beam and CRI\u003c\/strong\u003e in the product selectors. The 12 offered configurations are actual separately barcoded manufacturer SKUs. The displayed finish image represents the exterior choice, not a photometric simulation; the selected SKU determines beam spread and CRI.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e WH = White; BK = Black. Unlike the visible-trim Tangra families, the L1F-RDI invisible-trim price list offers only these two finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptic and beam:\u003c\/strong\u003e \u003cstrong\u003eRC25\u003c\/strong\u003e = clear-glass reflector, 25°; \u003cstrong\u003eRC40\u003c\/strong\u003e = clear-glass reflector, 40°; \u003cstrong\u003eRF40\u003c\/strong\u003e = frosted-glass reflector, 40°. \u003cstrong\u003eA frosted 25° optic is not part of the supplied SKU range.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED grade:\u003c\/strong\u003e \u003cstrong\u003e5C95\u003c\/strong\u003e = CRI95; \u003cstrong\u003e5C98\u003c\/strong\u003e = CRI98. Both are field-selectable 5CCT LED engines. CRI is a fixed characteristic of the ordered hardware, not something changed by the CCT switch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Match the white or black finish to the ceiling design, then choose the specified clear 25°, clear 40° or frosted 40° reflector and CRI95\/98. The 25° or 40° value describes the \u003cstrong\u003enominal optical beam\u003c\/strong\u003e, not mechanical aiming: this model does not tilt or rotate. Lotus states \u003cstrong\u003eup to 490 lumens at 4000K\/CRI95 only\u003c\/strong\u003e. Exact output for CRI98, other Kelvin settings or specific optics requires the corresponding SKU's photometric data.\u003c\/p\u003e\n\u003ch2\u003eManufacturer-verified L1F-RDI specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel \/ installation\u003c\/th\u003e\n\u003ctd\u003eLotus Tangra L1F-RDI, 1-inch fixed round deep-regressed invisible-trim downlight; trimless recessed accent\/general lighting, minimal perceived glare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower consumption\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e5W\u003c\/strong\u003e per fixture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLuminaire input\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e24V DC constant voltage\u003c\/strong\u003e; parallel daisy-chain with compatible driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer light output\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003eUp to 490 lm at 4000K\/CRI95\u003c\/strong\u003e (conditional maximum, not all variants)\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 \/ 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 determined by the purchased SKU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNominal beams\u003c\/th\u003e\n\u003ctd\u003e25° clear, 40° clear or 40° frosted; fixture is fixed and non-adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCeiling opening\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e1½-inch ROUND cutout\u003c\/strong\u003e (38.1 mm)—do not reuse the L1F-RDT thin-trim cutout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRequired overhead space\u003c\/th\u003e\n\u003ctd\u003e\n\u003cstrong\u003e3 inches\u003c\/strong\u003e (76.2 mm) above ceiling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDriver \/ dimming\u003c\/th\u003e\n\u003ctd\u003eExternal Lotus 24V KVE 5-in-1 dimmable driver ordered separately; manufacturer specifies 100% down to 0.1% with supplied drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eConstruction \/ country\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\"\u003eOperating temperature\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\"\u003eCertifications and installation ratings\u003c\/th\u003e\n\u003ctd\u003eManufacturer lists cETLus, FCC, Type IC, air tight and wet location\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLED projected lifetime\u003c\/th\u003e\n\u003ctd\u003eL70 at 50,000 hours (projected 70% of original light output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer warranty statement\u003c\/th\u003e\n\u003ctd\u003eLotus states coverage while it manufactures this product line, plus five years; full written terms and exclusions apply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction planning:\u003c\/strong\u003e The invisible-trim style is intended for a trimless ceiling finish, \u003cstrong\u003enot simply a visible-trim fixture with a different colour\u003c\/strong\u003e. Check the current model-specific Lotus installation instructions for finishing and mounting procedures. The one-page specification does not establish plastering steps, an IP number or any fire-resistance-hour classification.\u003c\/p\u003e\n\u003ch2\u003eRequired KVE dimmable driver — sold separately\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo not connect this fixture directly to mains voltage.\u003c\/strong\u003e L1F-RDI is a \u003cstrong\u003e5W, 24V DC constant-voltage luminaire\u003c\/strong\u003e. The separately purchased Lotus \u003cstrong\u003eKVE 5-in-1 dimmable drivers\u003c\/strong\u003e accept 120–277V line input and supply the fixture. The driver \u003cstrong\u003eis not included\u003c\/strong\u003e in this fixture's price. Lotus publishes the following \u003cstrong\u003eL1F-RDI-specific\u003c\/strong\u003e fixture counts:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eCompatible Lotus driver SKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDriver power\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMaximum L1F-RDI fixtures\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKVE-24030-TMWJ1-VA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30W\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUp to 6 fixtures\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKVE-24060-TMWJ1-VA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60W\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUp to 12 fixtures\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKVE-24096-TMWJ1-VA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96W\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUp to 19 fixtures\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/products\/lotus-tangra-24v-5-in-1-dimmable-drivers\"\u003eBrowse compatible 24V Lotus Mini Tangra KVE drivers\u003c\/a\u003e. These are manufacturer-stated \u003cstrong\u003emaximum fixture counts\u003c\/strong\u003e, subject to suitable circuit layout, driver\/control matching, conductor selection, wiring lengths and voltage drop. A 5W model's permitted counts must not be applied to the 8W Mini Tangra families.\u003c\/p\u003e\n\u003ch2\u003eTrimless ceiling cutout and matching PR-112 plate\u003c\/h2\u003e\n\u003cp\u003eThe L1F-RDI requires a \u003cstrong\u003e1½-inch ROUND ceiling cutout\u003c\/strong\u003e and \u003cstrong\u003e3 inches of free space above the ceiling\u003c\/strong\u003e. Lotus lists the \u003cstrong\u003ePR-112 26-inch flat rough-in plate\u003c\/strong\u003e for this trimless model. \u003cstrong\u003ePR-112 is sold separately\u003c\/strong\u003e and is not included in the light price. \u003ca href=\"\/products\/lotus-tangra-1-2-rough-in-plates\"\u003eChoose PR-112 from the Mini Tangra rough-in plate collection\u003c\/a\u003e. Check accessory order quantities and installation suitability before cutting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRatings clarification:\u003c\/strong\u003e Wet-location, Type IC and air-tight are manufacturer-listed. This sheet does not supply a numerical IP rating, an underwater\/submersible rating or a fire-resistance-hour approval. Confirm suitability for the actual ceiling\/environment against current Lotus instructions and applicable electrical\/building codes.\u003c\/p\u003e\n\u003ch2\u003eCompare the Mini Tangra models\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eL1F-RDT:\u003c\/strong\u003e 1-inch \u003cstrong\u003efixed round visible thin trim\u003c\/strong\u003e with \u003cstrong\u003e1⅜-inch ROUND\u003c\/strong\u003e cutout and \u003cstrong\u003ePR-138\u003c\/strong\u003e plate; published maximum is \u003cstrong\u003e470 lm at 4000K\/CRI95\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL1F-SDT:\u003c\/strong\u003e 1-inch \u003cstrong\u003efixed square thin trim\u003c\/strong\u003e with a \u003cstrong\u003e1⅜-inch SQUARE\u003c\/strong\u003e cutout and \u003cstrong\u003ePS-138\u003c\/strong\u003e plate; published maximum is \u003cstrong\u003e500 lm at 4000K\/CRI95\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL2F-RDI:\u003c\/strong\u003e 2-inch \u003cstrong\u003efixed round invisible trim\u003c\/strong\u003e, 8W and a larger \u003cstrong\u003e2³⁄₁₆-inch round cutout\u003c\/strong\u003e; uses \u003cstrong\u003ePR-236\u003c\/strong\u003e plate and has different driver maximums.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL2G-RRT:\u003c\/strong\u003e 2-inch \u003cstrong\u003eaimable round gimbal\u003c\/strong\u003e when a 20° tilt and 360° rotation are required rather than a fixed axis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked buyer questions\u003c\/h2\u003e\n\u003ch3\u003eIs L1F-RDI the same installation as L1F-RDT?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNo.\u003c\/strong\u003e The L1F-RDI is \u003cstrong\u003einvisible-trim\u003c\/strong\u003e and requires a \u003cstrong\u003e1½-inch round\u003c\/strong\u003e opening with \u003cstrong\u003ePR-112\u003c\/strong\u003e rough-in plate. The visible thin-trim L1F-RDT uses a 1⅜-inch round cutout and PR-138. Confirm the ceiling finishing method before substitution.\u003c\/p\u003e\n\u003ch3\u003eCan I use a 30W KVE driver to power six fixtures?\u003c\/h3\u003e\n\u003cp\u003eLotus states a maximum of \u003cstrong\u003esix 5W L1F-RDI fixtures\u003c\/strong\u003e on KVE-24030-TMWJ1-VA, subject to voltage-drop, wiring and control compatibility. The 60W and 96W models allow up to 12 and 19 respectively under the published limits.\u003c\/p\u003e\n\u003ch3\u003eDo I need a separate driver or rough-in plate?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDriver: yes, separately purchased and required.\u003c\/strong\u003e The PR-112 construction plate is also sold separately and may be specified for the ceiling installation. Neither accessory is included in the fixture price.\u003c\/p\u003e\n\u003ch3\u003eDoes every SKU output 490 lumens?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNot necessarily.\u003c\/strong\u003e The manufacturer states \u003cstrong\u003eup to 490 lumens at 4000K\/CRI95\u003c\/strong\u003e. Exact outputs for CRI98, other CCTs and other optics are not provided on this sheet.\u003c\/p\u003e\n\u003ch3\u003eDoes this product ship immediately?\u003c\/h3\u003e\n\u003cp\u003eThe October 2026 supplier announcement projected \u003cstrong\u003eNovember 2026\u003c\/strong\u003e for Mini Tangra availability. This is \u003cstrong\u003enot\u003c\/strong\u003e verified Simply Controlled inventory, confirmed supplier stock or a delivery guarantee. Confirm current stock before scheduling work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer documentation:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.lotusledlights.com\/resources\/Spec-Sheet-L1F-RDI.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eLotus L1F-RDI specification sheet\u003c\/a\u003e and \u003ca href=\"https:\/\/www.lotusledlights.com\/lotus-resources\/warranty\" target=\"_blank\" rel=\"noopener noreferrer\"\u003emanufacturer warranty terms\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Lotus LED Lights","offers":[{"title":"White \/ Clear Reflector 25° \/ 95","offer_id":67750450102463,"sku":"L1F-RDI-WH-RC25-5C95","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Clear Reflector 40° \/ 95","offer_id":67750450135231,"sku":"L1F-RDI-WH-RC40-5C95","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Frosted Reflector 40° \/ 95","offer_id":67750450167999,"sku":"L1F-RDI-WH-RF40-5C95","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Clear Reflector 25° \/ 95","offer_id":67750450200767,"sku":"L1F-RDI-BK-RC25-5C95","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Clear Reflector 40° \/ 95","offer_id":67750450233535,"sku":"L1F-RDI-BK-RC40-5C95","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Frosted Reflector 40° \/ 95","offer_id":67750450266303,"sku":"L1F-RDI-BK-RF40-5C95","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Clear Reflector 25° \/ 98","offer_id":67750450299071,"sku":"L1F-RDI-WH-RC25-5C98","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Clear Reflector 40° \/ 98","offer_id":67750450331839,"sku":"L1F-RDI-WH-RC40-5C98","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"White \/ Frosted Reflector 40° \/ 98","offer_id":67750450364607,"sku":"L1F-RDI-WH-RF40-5C98","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Clear Reflector 25° \/ 98","offer_id":67750450397375,"sku":"L1F-RDI-BK-RC25-5C98","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Clear Reflector 40° \/ 98","offer_id":67750450430143,"sku":"L1F-RDI-BK-RC40-5C98","price":99.99,"currency_code":"CAD","in_stock":false},{"title":"Black \/ Frosted Reflector 40° \/ 98","offer_id":67750450462911,"sku":"L1F-RDI-BK-RF40-5C98","price":99.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0410\/6262\/9541\/files\/L1F-RDI-WH-1000.png?v=1792803897","url":"https:\/\/www.simplycontrolled.ca\/products\/lotus-tangra-l1f-rdi","provider":"Simply Controlled","version":"1.0","type":"link"}