Bulbrite EXN/SLV 50-Watt 12-Volt Halogen MR16 Bi-Pin, Silver Flood Lasts an average of 3000 hours Aluminized coating prevents back spill and matches track and recessed fixtures Lensed for full UV Protection Available in a variety of wattages, beam spreads, and bases Perfect for track, recessed cans, downlights, and landscape lighting