Model Number:LED SMD Downlight Light Source:LED Power Tolerance:2% Switch Type:Knob switch Warranty:2years Certification:CCC,ce,ROHS Voltage:220V Power Source:AC Is Dimmable:No Application:Foyer Material:Aluminum Origin:Mainland China Suitable for::living room, study, dining room, bedroom, bathroom, etc. Shell color::white, silver, white plus silver, white plus gold Dear buyers, hello, the main dimming of our product is three-tone light, which can be dimmed in three colors, not to adjust the brightness. If you need to adjust the brightness and need to buy a dimming driver, you can Contact the seller It doesn't need LED driver or transformer,it connects with 110/220V directly. 3colors（3000-4000-6000k）You can change the color of the light by 3pcs through the switch Feature: 1. Quiet running, no noise 2. Good design 3. High efficiency, save 85% power consumption 4. Integrated hanging kit, very convenient to hang 5. Beautiful appearance, good match with aquarium 6. Secure operation, no risk of fire, burn or exploding Specifications: Modle: High Quality LED Downlight Power: 5W 7W 9W 12W 15W Diameter size: 5W(80MM) 7W(90MM)  9W(100MM)  12W(110MM)  15W(135MM) LED Chips: EPISTAR(Best chips in LED market) Colour: Warm White(2800- 3500K);3-color dimming(3000-4000-6000K) Cool White (5500-6500K) Input Voltage: AC 110V 220V 230V 240V LED working temperature: -25°C - +65°C Long life span reaches 30,000hrs Excellent luminous efficiency >82