Description:
1) Can Detect Near by Magnetic Field. Cannot measure the magnetic field
2) Operating voltage 3.3V-5V.
3) Digital switching outputs (0 and 1)
4) with fixed bolt hole for easy installation
5) small board PCB size: 3cm * 1.6cm
6) Power LED (red) and the digital switch output indicator (green)
7)using LM393 comparator chip.
