This product is a proximity switch with the following features:
1. Explosion-proof design, can be used in flammable and explosive environments.
2. Tamper-proof design to prevent人为损坏.
3. Wide power supply voltage range, can be used between 110VAC and 220VAC.
4. Small load current, can work under minimum operating current.
5. Large return current, can work under load return current.