Features:-This is an auto leveling sensor for 3D Printers based on open-source.-Simple, Smart, High-precision, It could work with any kinds of bed materials, such as glasses, woods, metals, and so on.-It can be operated in the following conditions:

-One I/O for control (PWM or Software PWM)-One I/O for Zmin(Z Probe)-GND and +5V  powerNotes:

-Additional power supply can be needed in case which your board does not supply enough amperage.-Electronic devices can be damaged or even destroyed if connected to the wrong side polarity.    [wrong terminal connect to 5V(+) and GND(-)]-Install BLTouch as far as it possible from magnetic, motor, fan etc.-The action as pulling/pushing hard the push-pin can make the BLTouch damaged and less accurate.-Fix push-pin with locking paint after reassembling or adjusting core.-Please do not change the position of the hex screw(core).-Do not separate or deform elastic material attached on the push-pin.-The action(Pull or push push-pin hard) makes damage and lowers the accuracy of sensorPackage Included:1 X Sensor1 X 3Pin Straight Pin1 X 2Pin Straight Pin 2 X Screw & Nut & Washer2 X Dupont Housing Shell 3Pin2 X Dupont Housing Shell 2Pin    10X Dupont Terminal1 X 10KΩ 1/8W Resistor for SmoothieboardHere are more info. for your reference:1. 2. 3. 4.