Wireless Door Sensor Detector For Home Security Alarm System

These wireless door/window magnetic sensors are used to protect the opening of both doors and windows. If a burglar opens the protected door or window, a magnetic switch inside the sensor, will trip, which sets off the security system. Install one at every entrance to make sure your home is protected. Each sensor is supervised (self-checking) for professional reliability and offers you choice in design and performance. It will work with most standard security system which is using 433MHz receiver. LED Indicator: Pull out the antenna of the magnetic detector: When the door or window is opened from the closed position, LED 1 will turn to red for 2 seconds, the magnetic detector will be triggered and will send alarming signal to the main unit. Indication of low battery: When the voltage of battery is less than 7.5V, LED 2 will straightly turn on red light. At this time, you need to replace a new battery immediately.
Features:
Suitable for home, office indoor use, but not for balcony where has insolation or rain.
Compact, wireless, easy to install.
Low power consumption, lasting one year. No need to change batteries frequently.
Keep the distance between device and magnetic shorter than 10mm, and arrow aims to each other.
Low power remind with LED indicator.
Super loud alarm of 105dB, scare thief away.


Descriptions:
Magnetic sensor, door and window motion detector.
Make sure one install in door/window, another one install in door/window frame, that to let them separate when the door/window is opening.