GE Lighting Halogen Landscape Lighting 46740 20-Watt, 275-Lumen MR16 Light Bulb with 2-Pin (GX5.3) Base, 3-Pack MR16 shape with 2-Pin (GX5.3) base for use in outdoor landscape fixtures Uses 20-Watt Input Voltage = 12-Volt Lasts 2000 hours 3-Pack of bulbs