iZtouch -8 Packs - Universal 433MHz GSM Wireless Magnetic Contact Sensor Window Door Entry Detector For Home Office Security Alarm System, Accessories for Wireless 433MHz IP Camera

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.

Specification:
Power Requirements: DC=12V-8.4V (23A DC=12V Battery Included)
Current Consumption: less than 20uA; less than 15mA while transmitting
Transmit Frequency: 433MHz
Transmit Duration: less than 1s
Transmit Distance from host: more than 80m (no obstacle)
Installation: less than 15mm between part A and part B
Coding Type: Fixed Code
Dimension (LWH): 71x36x15mm
Operating Temp: -10 ~ +40 centi degree
Humidity: less than 90%
Shell Color: White

Package Included:
8x Magnet Sensor
8x Battery
8x Double-sided Stickers