The lampshade is made of thickened cast-aluminium and its surface with Static Spraying Plastic. aluminium alloy light-reflector.Toughened glass protection.Preferably used in factory,store room,workshop.Power: 40-300 WLight Efficacy : 78-85 lm/wColor Temperature: 2700-6500 KColor Rendering Index : >80IP Code : IP65Power Supply: DC/ACStarting Time : InstantThe lumens depreciation stay above 85% even with 60000hrs' nonstop working, and the price is about 1/3 of LED's.ROHS and CE passed.Feature:energy-saving,no pollution,high color rendering index,low lumen depreciation,80000hrs long time,triphosphor Fluorescent Powder coated,all productions are with 5 year warranty.