ITEM NAME:Aluminium Knob LED Dimmers Controllers 12-24V 8A For Single Color LED Strip Descriptio n Description: Turning the knob clockwise will increase the brightness; turning the knob counterclockwise will decrease the brightness; Technical Parameters: Rated Voltage: 12V, 24 (V) Control Mode: Constant Voltage Output, PWM Regulation Current Control Range: Lamp, Light Bar, Module And Other Lamps Interface Type: Screw Terminal Signal Mode: PWM Stepless Dimming Certification: Ce, UL, ROHS Supply Voltage: DC12-24V Channel: Single Channel, Common Anode, Constant Voltage, PWM Regulation Current Maximum Current: