INTENDED Purchase – The LED Corn bulbs is light for replace traditional 360 degree lights such as metal halide,CFL,HID,HPS for parking lot,gas station,warehouse indoor and outdoor energy saving purpose.Design install into existing fixture with cost-effective solution. STRUCTURE – Die casting aluminum With fan inside cooling ,PC cover protect LEDs from dust,insect and humidity working environment.Driver fully sealed by thermal paste with function to disperse heat into outside Adopt 140LM/W LED chips improve light efficiency.Driver part apart from lamp body speed cooling hot air out. ELECTRICAL – Standard 6kV surge protection,regular input voltage 100~ 277V,no ballast need. INSTALLATION – Easily fitted in traditional fixture instead of MHL and HPS. LISTINGS – UL,cUL,DLC certification approved. Suitable for sealed,dry,humidity working environment from -40°C up to 45°C. WARRANTY – 5 years warranty.Replaceable driver part design.Free provide materials replacement easy for customer replace. We will responsible if damaged or quality problem. like damaged under shipment.Screws loosen.Driver problem. Feature: E39 Base 200W LED Light UL,cUL,DLC approved 360° Degree Beam Angle 100~277V input voltage With fan inside cooling Die-casting heat sink Suitable in enclosed fixture PC Cover transparent Driver fully sealed by thermal paste. 6K High voltage Surge test approved. SMD2835 140Lm/W LED chips 50,000hrs lifespan 5 years warranty Top Brand Capacitors No UV or IR radiation No magnetic disturbance driver design IP53 waterproof dust free 1232 Pcs LED Chips