Amazon.com: ALOVECO 12 Volt DC Dimmer Switch PWM for LED RV Lights Interior, 5-24 Volts LED Ceiling Dome Lights Dimmer and Switch for Camper, Recreational Vehicle, Halogen, Auto, Truck, Marine and Strip
Amazon.com: 12 Volt DC Dimmer for LED, Halogen, Incandescent - RV, Auto, Truck, Marine, and Strip Lighting - Long Shaft - Black : Automotive