1Full Range Stepless Dimming: 12V/24V DC dimmer switch can achieve 0100% stepless dimming, you can easily adjust the light according to different environmental needs, save energy and extend the life of the bulb. 2Easy to Use: Just turn the knob of the 12V/24V dimmer switch, you can dim or brighten the LED light, silent, no buzz and no blink. 3Compatibility: Dims up to 40 watts (2.5 amps) of incandescent, halogen or LED lighting, reducing heat and power drain on batteries. 4Simple to Install: The wiring is straight forward, install with the provided plate, mounts with offered plate, easily replace on off switch with dimmer switch. 5Wide Range of Applications: Dimmer switch is very suitable for RVs, travel trailers, boats, cars, trucks or wherever there is a 12V DC power supply. Suitable for small spaces. Item Type:RVLEDDimmerSwitch Maximum Adjustment Power: 40W Maximum Controllable Current: 2.5A Control Method: Knob (with Switch) Current Control Range: 15%-100% Installation Method: Embedded Screw Installation Application: Current control of LED lamps in yachts, RVs, busesCharacteristic: 1. The use of imported materials has a service life of more than 50,000 hours and low energy consumption 2. Fully environmentally friendly materials, CSA certification 4. Simple operation, black matte surface or exquisite stainless steel cover 5. Exquisite appearance design, thin and small volume can be coordinated and integrated with the surrounding environment 6. There is an embedded screw installation method to make the product more convenient. 1 x RVLEDDimmerSwitch 2 x Screw