1Capacitive touch switch module, the initial state is low level, touch is high level, and no touch is low level. 2When there is no touch for 12 seconds, the mode switches to low power mode, saving energy. 3Both the front and the back can be used as a touch surface, which can replace the traditional touch button. 42-5.5V power supply, 4pcs M2 screw positioning holes for easy installation. 5The green LED power indicator lights up when it is powered on correctly and is easy to use.
