The features of the module are as follows:

Inching type: the initial state is low level, touch is high level, do not touch is low level (similar to touch button function)

low power consumption
The power supply can be 2 ~ 5.5V DC

Both sides can be used as touch surface，It can replace the traditional touch button
4 M2 screw positioning holes for easy installation
Action notes: first touch the touch sensor lightly, and then press and hold the touch sensor for a long time, the desk lamp can flash and light for a long time;

Control interface: three pins (GND, VCC, SIG), GND is the ground, VCC is the power supply, SIG is the digital signal output pin;
Power indicator: green LED, light up when power on is correct;
Touch area: the internal area of an icon similar to a fingerprint, which can be triggered by the touch of a finger.
Positioning holes: four M2 screw positioning holes, with an aperture of 2.2mm, make the module easy to install and position, and realize the combination between modules;