Key Features OSRAM LED as light source CE,ROHS, UL 3 Years warranty If you use 11-12 hours per day. LED can not be replaced within 7 years Construction Features Lamps housing painted anti-corrosion treatment High grade aluminium alloy combined with 94V-0 level PC plastic materials With cross ventilation, good heatsinking Technical Features Input Voltage: 100-240V Power Factor: 0.8-0.9 Lumen maintenance @6000h :>80% Switching cycle before failure: 50,000 IP Rating: IP20 Life Span: 50,000 hours Operation Temperature: -15°C~+50°C Storage Temperature: -25°C~+55°C