1.The use of imported groove coupler sensor.

2.The slot width 5mm.

3.The output status indicator lamp output high, output low lights.

4.Block, output high; no shelter, output low.

5.The comparator output signal clean, good waveform, driving ability, than 15mA.

6.The working voltage of 3.3V-5V.

7.The output format: digital switching output (0 and 1).

8.A fixed bolt holes for easy installation.

9.Small plates PCB size: 3.2cm x 1.4cm.

10.Uusing a wide voltage comparator LM393.