DC12V/24V Touch control LED Dimmer Switch, Plug and Play Inline Dimmer Controller for LED Cabinet Light, Strip Light, Rigid Light Bar, Panel Light A short and light tap (less than 1 second )to turn it ON/OFF. Long touch(more than 2 seconds) to adjust brightness. DC12V-24V, 3 Amps max load current. Memory function to remember last setting. DC5.5*2.1mm female and male connector for easy installation. Its mainly used to controlled all kinds of constant voltage led lights,such as:LED source, LED strips,led wall washer,wall Glass curtain lights,LED Cabinet Light, etc.