Contact senssor-hub needed, only work with our alarm system.

1. contact sensor only works with our Smart Security System

2. The door and window sensor has connected to the alarm. Just connect the alarm to the app and the alarm kit can be used. When the door / window is opened, the work siren is activated.

3. Wireless transmission is more than or equal to 100 meters in open place.

4. Easy to install & pairing- just peel and stick (battery and double-sided stickers included)

5. Excellent design, tiny and fashion. Low-consumption design, which can make it work long time

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): 65x26x65mm
Operating Temp: -10 ~ +40 centi degree
Humidity: less than 90%
Shell Color: White

Package Included:
2 x Door sensor (Including battery)
2 x Double-sided Stickers