Brightness: 450-Lumens Energy used: 5-Watt (equivalent to a 50-Watt standard incandescent light bulb) estimated yearly energy cost: $0.6 (based on 3 hours/day, 11 cent/kWh, cost depend on rates and use) Life: 22.8 years (based on 3 hours/day) Light appearance: 3000K bright wihite Fully dimmable, no buzz, no hum, shatter resistant and meets federal minimum efficiency standards for ENERGY STAR certification.