Brightness Quality: 1490 Lumens. Energy Info: $8.67 Based on 3 hrs/day, 11 cents kWh. Cost depends on rates and use. 72 Watts. 120 Volts. Package Info: 2-Pack 2 Bulb Info: Halogen Bulb Life: 0.9 Years Based on 3 hrs/day. Bulb Appearance: 3000 Kelvins. Misc: Energy saving. Mercury free. Long lasting. 23 watts, 1600 lumens = 72 watts, 1490 lumens. These lamps comply with federal energy efficiency labeling requirements. Made in USA.