Brightness Quantity: 750 lumens. Energy Info: $5.18 based on 3 hrs/day, 11 cent/kWh cost depends on rates and use 43 watts. Package Info: 3. Bulb Info: Incandescent. Screw. Medium. Bulb Life: 0.9 years based on 3 hrs/day Bulb Appearance: 2900 k.