Satco S1966 20 Watt MR16 Halogen GX5.3 Base 12 Volt Clear FL 36 Beam Pattern No Harmful Ultraviolet Rays Light Bulb, With Lens - Halogen Bulbs - Amazon.com
Amazon.com: American Technology Components 12 Volt DC Dimmer Switch for LED, Halogen, Incandescent - RV, Auto, Truck, Marine, and Strip Lighting (Slider, Black) : Automotive