Features 1、Capacitive touch switch module, the initial state is low level, touch is high level, and no touch is low level. 2、When there is no touch for 12 seconds, the mode switches to low power mode, saving energy. 3、Both the front and the back can be used as a touch surface, which can replace the traditional touch button. 4、2-5.5V power supply, 4pcs M2 screw positioning holes for easy installation. 5、The green LED power indicator lights up when it is powered on correctly and is easy to use. Specification Condition: 100% Brand New Item Type: Sensor Module Power Supply: 2-5.5V Item Minimum Valve Typical Value Maximum Value Unit Power Supply Voltage VCC 2 3 5.5 V Output High VOH - 0.8VCC - V Output Low VOL - - 0.3VCC V Output Pin Sink Current (at VCC=3V, VOL=0.6V) - 8 - mA Output Pin Pull-up Current (at VCC=3V, VOH=2.4V) - -4 - mA Response Time (Low Power Mode) - - 220 mS Response Time (Fast Mode) - - 60 mS Product Size Approx. 24 x 24 x 7.2 mm / 0.9 x 0.9 x 0.3 in mm Weight Approx. 14g / 0.5oz g Control Interface: A total of 3 pins (GND, VCC, SIG), GND is connected to ground, VCC is connected to 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 internal area of the icon similar to the fingerprint Package List 5 x Module