Chuông Báo Động Cảm Biến Không Dây 105db Gắn Cửa Sổ / Cửa Ra Vào tại Lotte Market

Giới thiệu Chuông Báo Động Cảm Biến Không Dây 105db Gắn Cửa Sổ / Cửa Ra Vào tại Lotte Market

1.️Welcome to My store. If you like our products , please follow us to get the newest information of new arrivals
2.You can collect coupons before placing an order,I hope you enjoy your shopping
3.Ready to send High quality Best price Brand new 100%Description:
Material: plastic.
Size: 53*35*20mm.
Color: show as pictures.
Powered by 3*AG13 battery(included).
Features:
* Magnetic sensor switch detects entry protecting your home or office whether you are in or out.
* Easily mounted by adhesive tape to window or door.
* Power by 3 x 1.5V LR44 button batteries(included).
* When people illegally open the case or windows, the alarm and attachment are separated, the alarm could be a strong siren to deter thieves.
* Widely used in internet bar, residence, office and store. The alarm volume could reach 105 dB.
Operation:
* Use the double side adhesive tape to fix the main unit at the side of the door / window.
* Attach the bar magnet to door frame / window frame with the arrow aligning with the reference line of the main unit.
* Test the setup by switching the system to "ON" position of the main unit and see whether the alarm can be triggered by opening the door / window

Package include:
1 * Magnet Sensor.
3 * button batteries.