50W high brightness led lamp

50W high brightness led lamp Features: 1). Mercury-free,lead-free and energy efficiency illuminant ,enviromentally friendly lamp 2). 70 more energy-saving compared with the high pressure sodium lamp 3). Die cast aluminum radiator with max interface with air ensures excellent heat function, the strong and the compact structure provides protection to the whole lamp. 4). Anodized aluminum reflector keeps the even and the efficient lighting effect and coordinates with the radiator, effecting a cooling system to ensure safe performance for long hour working request. 5). High power led illuminant provides comfortable light without radiation , strobeflash or UV. 6). Aluminum PCB with silicone packaged ,dustproof ,dampproof ,and anti-oxidation; 7). Constant current power supply ,and wide range of voltage accepted (AC85-265V) 8). Die cast aluminum ballast casting with powder coated finish for corrosion-reistance. The parameters: Input voltageAC85V-265V/50HZ-60HZTotal harmonic distortion≤9%Power factormore than0.98Total power of the led1*50WLED light effect90-100LM/WLight efficiencyAbove 90%Evenness degreemore than 0.7Related color temperatureWW.2700K-3900KPW.3900K-6000KCW.6000K-7000KColor rendering indexWWRa more than78PW,CWRa more than85Light designLED+ reflector secondary light distributionWarming node of the led≤70°COperation temperature-30°C——+55°CStorage temperature-25°C——+65°CGrade of protectionIP44Life-span of the ledover 50000HColor for cover of the light socketblack,and silver for potions Applications: Apply to workshop, factory buiding, warehouse, highway toll stations, gas stations, supermarkets, exhibition halls, stadiums and other places of lighting required