Voltage: 120V, wattage: 26W, Type: compact germicidal bulb, Length: 5.75 in. Overall Length, diameter: 2.30 in. Overall diameter, base Type: E26 (medium screw base), life hours: 7,000, details: emits short-wave germicidal UV light. This bulb will work in any standard household screw base. (Self ballasted) **caution UV germicidal lamps emit harmful ultraviolet light, avoid any exposure to eyes and skin from an unshielded germicidal lamp. Proper use of a fixture is essential for a safe and effective application of this product.**.