Brightness Quantity: 16 lumens. Energy Info: $0.48 based on 3 hrs/day, 11 cents kWh. Cost depends on rates and use. 4 watts. Package Info: 4-Pack. 4. Voltage: 120 V. Bulb Info: Screw. Candelabra.. Bulb Life: 2.7 years based on 3 hrs/day. Bulb Appearance: 2700 k.