KERUI 433MHz Wireless Door/Window Magnetic Sensor for GSM Home Security Alarm Systems
Easy to install–just peel and stick
Built-in omnidirectional antenna – The door/windows alarm with built-in antenna to strengthen the signal, make it more sensitive
Can’t work standalone – The door detector work with home alarm system,use as alarm accessories.
$8.99
Simple to put in–just peel and stick
Built-in omnidirectional antenna – The door/windows alarm with built-in antenna to enhance the signal, make it more sensitive
Cannot work standalone – The door detector work with home alarm system,use as alarm accessories.
Low-voltage reminder serve as – When wireless door sensor is in low voltage, it’s going to flash light at all times to remind user change the batteries.
Magnetic sensor switch detects entry protecting your house or administrative center. Superior circuit design, High-performance and coffee power consumption.
Specification: KERUI 433MHz Wireless Door/Window Magnetic Sensor for GSM Home Security Alarm Systems
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