Note: If the switch doesn't work at first time, pls cut off power completely and operate again(no need to wait a long time, just cut power supply and connect again). The chip inside will start a protection procedure when a long time stop working Package box: 1*siwtch with screw Application: This switch is mainly used to light on/off and dimming, also available to other DC devices with DC12-24V voltage. Note: *pls not touch with wet hands! *This is a DC power switch ,AC power is limited! Specifications: Head diameter: 3/4" ( 18mm ) Mounting hole size: 3/5" ( 16mm ) Depth inc contacts: 1" ( 20mm ) Switch Type: dimming switch Input Voltage: DC 12V-24V Output Current: 6A MAX LED voltage: DC 12V-24V LED color: Blue Head shape: Flat Enclosure material: Stainless Steel Protection level: IK10 Electrical life: 50,000 cycles Operating Temperature: -20℃ ～ +60℃