SAVE 20%! The Besf Offer 1/3/6/8pcs/lots New KERUI open reminder Sensor 433mhz While Wireless Home Alarm Window Door Sensor to Detect Open Door From Shenzhen Security Alarm Store
You Get Discount 20% Original Price is US $9.36, If You Buy it Now until 2019-06-23 You Just Pay For US $7.49 Buy It Now
1/3/6/8pcs/lots New KERUI open reminder Sensor 433mhz While Wireless Home Alarm Window Door Sensor to Detect Open Door
This Door sensor can\'t work alone, It need work with alarm system. Like the below one, you can click the picture:
Installation and Use of Door Sensor:
Door sensor is used in magnetic induction of close and open state, and is consisted of transmitter and magnetic. It can be installed on doors, windows or any object that can be closed and opened. When transmitters is separated with magnetic, door senser will send alarm signal to alarm panel, and host begins alarm siren.
The door contact should be installed on the movable door. Firstly, clean the corresponding position, and take out wireless door contact , then put on the double faced adhesive. The installation should note the items below:
1.The door sensor part A (transmitter) and part B (magnet) should be installed separately, that is, A on fixed door frame and B on movable door. ( the side with lights of transmitter should correspond with the magnet )
2. A and B should in the same vertical line and the distance between A and B should not greater than 1 cm.
3. After the installation, the indicator light flashes for 1s as the door open, that means the door sensor is installed successfully.
4.The indicator light lit for 1 second, means alarm. The indicator in constant light is a suggestion of power lack.
5.A, B can also be reinforced by screws, (A: remove the bottom cover, then screw in the bottom, buckle the cover to the bottom; B can be directly fixed on the screw back.)
Kit1 : 1 x wireless door window sensor(battery not including)
Kit2 : 3 x wireless door window sensor(battery not including)
Kit3 : 6 x wireless door window sensor(battery not including)
Kit4 : 8 x wireless door window sensor(battery not including)