KERUI Wireless 433MHZ Door Window Security Smart Door Sensor for W18/W20/K52 /W2 Home Security WIFI GSM GPRS Alarm system

Door and door frame parallel:

Magnetic door and magnetic stripe position can be installed according to plans .

Note: 

The magnetic stripe must be installed close to the side of the door indicator light,the distance between two parts can not exceed 1CM .

Window and window frame parallel:

Magnetic door and magnetic stripe position can be installed according to plans .

Note: 

The magnetic stripe must be installed close to the side of the door indicator light,the distance between two parts can not exceed 1CM

Features:

* Suitable for Door, Window, drawer, cabinet...etc

* Power Supply : 12V battery x 1 pcs

* Transmit distance : approx 100m(no obstacle)

* Internal distance : 15mm

* Humidity: less than 90%

Package Including:

1 x Door/Window sensor