HitLights E Series 5 Watt MR16 LED Light Bulb - Cool White - GU10 Base Affordable price, up to 50% less than competing LED bulbs 80% less energy than traditional bulbs, over 25,000 hour lifespan Energy-saving replacement for traditional bulbs that will usually pay for themselves in just 1 year Estimated yearly energy cost: $0.60 (based on 3 hrs/day, $0.11/kWh) Matches the size of traditional halogen bulbs with 12VDC Input