Features:
The use of imported groove coupler sensor
The slot width 5mm.
The output state indicator lamp output high, output low lights.
With cover, high output; unobstructed, output low.
The comparator output signal clean waveform is good, driving ability, than 15mA.
Operating Voltage 3.3V-5V
The output format: Digital switching output (0 and 1)
A fixed bolt holes for easy installation
Small plates PCB size: 3.2cm x 1.4cm
10, using a wide voltage LM393 comparator