Brightness Quantity: 550 lumens. Energy Info: $7.23 Based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 60 watts. Package Info: 4-Pack. 4. Bulb Info: Halogen. Screw. Candelabra. Bulb Life: 1.8 years based on 3 hrs/day. Bulb Appearance: 2610 k.