Feature: 0-100% brightness can be adjustable, making the light soft, stable without flickering. When PWM digital is dimming, it can avoid rush current, protecting your led light being damaged. Constant voltage and constant current output can be connected with amplifiers to extend its load. Simple to use. With a knob controller, it's operated by manual. It also has an auto memory function, bring your much convenient to use in home. Easy to install. Specification: Material: Metal Brightness Adjustable Rang: 0-100% Input Voltage: DC 12V-24V 30A Input Current: 0-30A, Less than 30A Power: 12V 360W, 24V 720W Static Power Consumption: 1W Working Temperature: -20-60 degree centigrade LED Dimmer Dimension (L x W x H): Approx. 85 x 66 x 20mm / Approx.3.3 x 2.6 x 0.8inch Controled Method: Rotary Knob Material: Metal Voltage: 12-24V Model Number: K2 includes:1 x LED Switch Dimmer 1 x Use Manual