Suitable for indoor usage;Good light color; Convenient to use Low price; Average life : up to 1,000hours 1) Clear, frosted, soft white 2) Voltage: 110-130V / 220-240V 3) Watts: 25, 40, 60, 75, 100, 200, 300, 500W 4) Base: a) B22/E27/E26 b) Iron c) Aluminum d) Brass e) Nickel