5V/4A USB Cable Controller Touch Induction Dimmer Switch Cable LED Touch Dimmer ​Features: Easy to install and simple to use Adjust the light soft and stable, no flickering. Mainly use to adjust single color LED light lamps and Led Strip. Constand voltage and constand current output, can be connected with amplifiers to extend its load Applications: You can conveniently adjust the brightness of your LED bulbs/Led Strip with this dimmer led Dimmer is a controller that it can adjust brightness infinitely, its control mode is knob-operated control, you could adjust light to the appropriate lighting brightness in accordance with your actual need, Perfect tools for most lighting purpose Specifications: Working voltage range: 5V Static current: <60uA Driving current: 4A Shell size: 40*20*11mm Wiring: default USB connector Operating temperature: -20-+80 degrees Color: White/Black Note: Input voltage and LED working voltage is the same, such as input voltage is also 12V. LED working voltage should also be 5V. Package Included: 1X LED Brightness Adjustable Switch