... percent Original production, 2.reasonable prices, 3.EDR150,EDR160,E40 Reflector type high pressure mercury lamp1.parameter list: Wattage Operating Voltage ... 162 297 700 220 5.40 28000 5000 E40 BTR 180 390 1000 220 7.50 41000 5000 E40 BTR 280 ... : Lighting of vessel,supermarket,outer-door lighting,flood lighting. 250W Reflector type high pressure mercury lamp