... Original production, 2.reasonable prices, 3.EDR150,EDR160,E40 Reflector type high pressure mercury lamp1.parameter list: Wattage Operating Voltage ... BTR 280 420 2.Feature: Concentration of light and high utilization of light to be used directly without fixture.3. ... Application: Lighting of vessel,supermarket,outer-door lighting,flood lighting. 250W Reflector ...