Brightness Quantity: 300 lumens. Energy Info: $4.82 based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 40 watts. Package Info: 4. Voltage: 120 V. Bulb Info: Screw. Medium. Bulb Life: 1.8 years based on 3 hrs/day. Bulb Appearance: 2550 k.