433MHz Wireless Door Sensor Window Open Closed Detector For Our Home Security Burglar Alarm System

433MHz Door Sensor

1. It can be install in door also windows.

2. Other door detector only detect door open, but this door detector will detect door opening and door closing. This is more powerful detector.

3. The two-way function has conditions, if the alarm host cannot recognize it, the two-way detection function cannot be realized, it acts as a one-way detection.

Description

Function 1: Detect door / window opening.

Function 2: Detect door / window closing.

Function 3: Support alarm button

Function 4: Tamper alarm, if some one remove this door megnet detector, it will send 433MHz alarm sign to your alarm host.