Features: 1) Min. lifetime:1000hrs 2) Watts: 5-300w 3) Color: clear, frosted, white,inside painting color bulb series. 4) Bulb head material: nickel, brass, iron, alluminum. 5)Holder size: E14,E27,E26,B22,E40,E12,BA15D etc 6) Fused double filament. 7)Voltage: 110-130V, 220-240V. ROHS/CE/UL/CCC/ISO9001 CERTIFICATED. We offer a full range of different kind of bulbs