Specifications: 1) BHRF 160W, 300W, 500W, 750W 2) Voltage: 110V / 220V 3) Base: E39 / E40 Features: 1) Not need to use additional ballast as a substitute of incandescent bulb 2) Easy to install, low investment and maintenance cost 3) Slight color temperature shift, high luminous efficacy (twice of the incandescent lamps) 4) Long life span, the updated product of incandescent lamps 5) Applications: ship board ,workplaces, roads, vessels ports, cargo ports, public places, outdoor and indoor places, community and sporting fields, flood lighting