Incandescent clear bulb-500W power:500W hodler:E39/E40 diameter:90/100/110mm life:above 1200hours Incandescent clear bulb-500W clear bulbpower:500Wvoltage:110V/230Vcap:E39/E40life:above 1200hourspacking:sleeve,color sleeve,box,color box, etc.we are manufacturer of lamps in China.if the order is larger ,we can make a discount. Incandescent clear bulb-500W