Features: [Switches&Dimmers] high- side PWM dimmer 12V dimmer switch motorhome dimmer switch 0- rotary switch control, 12V black dimmer switch no noise and no flicker,low heat, high efficiency. [Perfect smooth dimming] 12 volt dimmer switch camper has built in on/off switch, flexibly rotate the knob to adjust, smoothing dimming, can smoothly adjust the lights from full brightness to the lowest dimming setting, and finally make a slight ''click'' sound when turning off the lights. [High-quality aluminum housing- Durabl e and Long-lasting, Security] 12V led dimmer switch : Vin:12V DC(9-15V DC) - LED:12V 5A 60W Max, reducing power drain.metal dimmer switch with aluminum housing,excellent anti-corrosion and heat-dissipation capacity. [Wide Application] mini dimmer switch campervan 12V compatible with incandescent, halogen and LED lighting, or anywhere 12V DC power is present,12v led dimmer switch for camper, RVs, Trailers, Van,Trucks, Cars, Recreational Vehicles, or Boats.(Not applicable types: RGB light, slide LED light, constant current light) [Support DIY] The 12v led dimmer switch for camper front panel and knob is detachable, suitable for customized or OEM control panels.Mini size easy to install and simple wiring. Warning: Cannot be used for speed control of fans and motors Package included: 1 x Dimmer Switch