... 18*1W/2W/3W 3.1600-2900 Lm 4.Gost-R,CE,RoHS,FCC 5. 2 years Warranty Product ... light source. The attenuation of high power LED light source is less than 3% by 3000hrs aging test ... under temperature 50 degrees celsius, high luminous efficiency of single LED.3. long life-span: 50,000hrs, ... , Bedside lamp, Ceiling light, etc. American Chip High power reflector down light 18W with High lumens (CE ROHS)