Philips 417204 Landscape Lighting 20-Watt T3 12-Volt Bi-Pin Base Light Bulb, 2 x 2 Pack - Amazon.com
Philips Halogen Light Bulb 20w Watt 12 Volt with a 2 pin MR16 Lens for Indoor Flood Lighting Bundle with a Storage Bag, Ideal for use on 12V Tracks and Landscapes - Amazon.com