Features:40W COB Surface Mounted Downlight1) LEDs Type: CREE, CITIZEN or Bridgelux COB LED, 2) Driver: Lifud/Meanwell High Quality Driver,3) Housing: Compact 6063 Housing Heat-sink + 3D Plastic Reflector,4) Dimming Optional : Triac/ 0-10V/ DALI, 5) Input Voltage: AC200-240V or AC100-277V, PF>0.96) 110-120 LM/W LED, 80 LM/W Whole Light,7) Color Temperature: 2700K, 3000K, 4000K, 5000K,8) High CRI>80 or CRI>90,9) Warranty: 5 Years, 10) UL/TUV/SAA/CB/CE Driver, CE/SAA/RCM Light,11) Hanging Installation or Ceiling Installation,12) Indoor IP44 ClassSpecification      ModelLEDLumenPowerVoltage      （V）Beam AngleSize      （mm)QD-CF1804-20COB CREE    CXA18161600 lm20 W220-240V      100-277V15/23/38°Ø140*H165QD-CF1804-30COB CREE    CXA18202400 lm30 W220-240V      100-277V15/23/38°Ø140*H165QD-CF1806-30COB CREE    CXA18202400 lm30 W220-240V      100-277V15/24/38°Ø165*H180QD-CF1806-40COB CREE    CXA18303200 lm40 W220-240V      100-277V15/24/38°Ø165*H180QD-CF1808-40COB CREE    CXA18303200 lm40 W220-240V      100-277V23/60°Ø190*235QD-CF1808-50COB CREE    CXA18304000 lm50 W220-240V      100-277V23/60°Ø190*235Application installationFAQ1.  Can we use your cob surface mounted downlights in damp location, like a  bathroom, or a shower room?Yes,  we have IP65 waterproof surface mounted downlight available(CF19 series,CF20  series, WP25, WP03 series, SF13, SF14 series), however they should not be  exposed to prolonged, direct contact with water. Our range of bathroom and shower LED downlights  all have frosted front glass sections to ensure that these are watertight  against an moisture. 2. Can you provide IES file for cob surface  mounted  downlight if we have a project?Yes, we can offer IES file after 2days, if we  have sample in stock.