Bulbrite EXN/GU10/FR 50-Watt Halogen MR16, 120V, GU10 Twist and Lock Base 38 Degree Flood Light, Frost Lensed for UV protection Long Life (3000 hours) GU10 twist and lock base for a tight, secure fit in your light fixture Available in clear and frost finishes Perfect for recessed cans, track lighting, pendants, down light and outdoor/landscape applications