Brightness Quality: 15 Lumens. Energy Info: $0.48 Based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 4 Watts. 120 Volts. Package Info: 4 Bulb Info: Indoor Bulb Life: 2.7 Years Based on 3 hrs/day. Bulb Appearance: 2850 Kelvins. Misc: Unconditional guarantee. Made in Thailand.