The Philips 10-Watt Bright white VisionLED PAR30L Flood light bulb has medium base. They are Energy Star compliant and deliver 650 lumens of bright white light. These bulbs have a long life of up to 25000 hours. Brightness: 650 Lumens Estimated Yearly Energy Cost: $1.20 (Based on 3 hrs/day, 11₵/kWh. Costs depend on rates and use) Life: 22.8 years (Based on 3 hrs/day) Light Appearance: 3000K (bright white) Energy Used: 10 Watts (equivalent to a 60 Watt standard incandescent light bulb) Lumens per Watt: 65 Uses 83% less energy compared to a standard incandescent light bulb Ideal for residential use in kitchens, living rooms and dining rooms and for commercial use in retail, hospitality and office spaces Contains Mercury: No Model No. : 420307 UPC No. : 046677420307