Features: [Switches&Dimmers] high- side PWM dimmer 12V dimmer switch motorhome dimmer switch 0-100% 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 9-15V - 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 incandescent, halogen and LED or anywhere 12V 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