The module features are as follows:
Jog type: the initial state is low level, the touch is high level, and the touch is low level (similar to the touch button function)
Low power consumption
Power supply can be 2~5.5V DC
Both front and back can be used as touch surfaces, which can replace traditional touch buttons
4 M2 screw positioning holes for easy installation
Action note: first touch the touch sensor, and then press the jog type touch sensor for a long time, then the table lamp can be bright and long;  

Control interface: a total of 3 pins (GND, VCC, SIG), GND is ground, VCC is the power supply, SIG is the digital signal output pin;
Power indicator: Green LED, it will light up when it is powered on correctly;
Touch area: The inner area of the icon similar to the fingerprint, which can be triggered by a finger touch.
Positioning hole: 4 M2 screw positioning holes, the hole diameter is 2.2mm, which makes the module easy to install and position, and realize the module combination