... 3% by 3000hrs aging test under temperature 50 degrees celsius, high luminous efficiency of single LED.3. long life-span: ... longer than traditional lamp.4.Superior raw materials. Made of high quality aluminum which helps heat dissipation.Installation: Application: This ... lamp, Mirror lamp, Bedside lamp, Ceiling light, etc. American Chip High power reflector down light 18W with High lumens (CE ROHS)