Smart Home Devices / Door Security-3
KERUI 433MHz Wireless Magnetic Sensor for Home Security
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Category: Door Security-3

Your Complete Features Guide
Easy to Install: Just Peel and Stick
Built-in Omnidirectional Antenna: The door/window alarm features a built-in omnidirectional antenna to strengthen the signal and make it more sensitive. This ensures you have reliable coverage and improved security.
Can't Work Standalone: The door detector works as an accessory with your home alarm system. It is not designed to function independently.
Low-Voltage Reminder Function: When the wireless door sensor's battery is low, it will continuously flash a light to remind you to change the batteries.
Magnetic Sensor Switch: This sensor switch detects any entry, providing superior protection for your home or office.
Superior Circuit Design: Enjoy both high performance and low power consumption, ensuring your device remains effective and energy-efficient.