Westinghouse Lighting Corp 10-watt MR11 Halogen Lamp Low Voltage, clear lens, halogen, GU4 base, 10 watts, 12 volt Bulb life of 2,000 average rated hours Perfect for Pendant, track and recessed and landscape Lighting Fixtures and completely dimmable Estimated yearly energy cost: $1.20 (based on 3 hrs/day, 11/kwh. Costs depend on rates and use) Light appearance: 2900K 10W 12V MR11 Quartz Halogen Lamp Two Pin Base 16&degree Beam Spread 2000 Average Hours