The crash sensor converts the crash action into an electrical signal. You can make an anti-intrusion device by placing the sensor at the door or window.
Specifications
Connections: RJ11 4P4C
Power: 3.3V
Connections type: Digital output
You can find the introduction of this product following this link
https://wiki.elecfreaks.com/en/microbit/sensor/planet-x-sensors/Plant_X_EF05008
