The EcoSmart PAR 20 5.5-Watt (50W) LED Light Bulb can be used to replace a PAR 20 or 50-Watt bulb. The bright white LED light has a 5.5-Watt of power and puts out 450 Lumens for up to 25,000 life hours. The energy-efficient LED bulbs offer you an estimated energy savings of $122 per bulb over the course of the bulb's life. This light can be dimmed for convenient light customization and helps conserve energy over the life of the bulb. Brightness: 450 Lumens Estimated yearly energy cost: $0.66 (based on 3 hours/day, 11c/kWh, cost depend on rates and use) Life: 22.8 years (based on 3 hours/day) Light appearance: 3000K bright white Energy used: 5.5-Watt (equivalent to a 50-Watt standard incandescent light bulb) Lumens per watt: 65 Shatter resistant Contains mercury: No