AURORA 8W Dimmable PAR20 LED Bulbs - 4200K (Pure White Light) - AR-P20E2608/42 Energy saving LED bulb, featuring high-output Cree chips Smooth and linear dimming on most dimmers Built-in temperature control system that protects against overheating and maximizes lifetime 35,000 hours average lifetime to L70 (70% lumen maintenance) 1 year manufacturers guarantee