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[[num_page_4]]

433MHz Wireless Door/Window Sensor for GSM Home Security System

Name: Kerui Secure
Price: 5.18 USD
Availability: InStock

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$ 7.19 $5.18 save 28%

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About this item

The door detector is not equipped to function independently and must be integrated with a home alarm system in order to operate effectively. It is intended to be used as an accessory specifically for triggering alarms.
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
Low-voltage reminder function - When wireless door sensor is in low voltage, it will flash light all the time to remind user change the batteries.
Magnetic sensor switch detects entry protecting your home or office. Superior circuit design, High-performance and low power consumption.