Amazon.com: 12 Volt DC Dimmer for LED, Halogen, Incandescent - RV, Auto, Truck, Marine, and Strip Lighting - Short Shaft - Black : Automotive
OPPKEPT 12V RV Dimmer Switch, Upgrade 12/24 Volt DC PWM Dimmer for LED Interior Lights, Halogen, Incandescent, Used for RV, Auto, Camper, Truck, Marine, Boat and Strip Lighting (High Side, Silver)
Amazon.com: Greenclick 12V DC Dimmer Switch, 5-24 Volts Dimmer Switch PWM Waterproof for LED RV Lights Interior, Ceiling Lights, Halogen, Incandescent, Auto, Truck, Marine, Strip Lighting - Long Shaft : Automotive
Acegoo 12V Dimmer Switch, RV Light Dimmer High Side PWM Dimming Switch