Wireless Magnetic Sensor Door/Window Entry Safety Security Burglar Alarm Bell YL-323

: Wireless Magnetic Sensor Door/Window Entry Safety Security Burglar Alarm Bell YL-323 : Electronics. Easily mounted by adhesive tape to window or door. Magnetic sensor switch detects entry protecting your home or office whether you are in or out. 。 Features:。- Super loud 90 dB alarm。- 100% brand new alarm for window or door。- Compact design, no wiring required。- Magnetism control design with steady capability。- High sensitivity can be used to protect people against stealing。- Easily mounted to windows or doors with included double-side adhesive tape。- Electronic magnetic Sensor detects entry。- Alarm is activated when the two pieces are separated。- Turn the switch to ON it sets up defense。- When someone enters or opens a door, it will send out loud voice to frighten him and warn the master。- Ideal choice to guard against thefts in house, schools, offices, and some other places。- Powered by 3 pcs 1.5V LR button cell。 Operation Instruction:。  Peel off the adhesive tape, attach the main sensor on the door / window and attach the magnetic stick adjacent the main sensor on the frame(the arrowhead side to the sensor).。  Test the setup by switching on the system and see whether the alarm can be triggered by opening the door / window。 Package Includes:。1 x Magnetic sensor。1 x Magnetic stick。3 x LR button battery。 。 。 。

Wireless Magnetic Sensor Door//Window Entry Safety Security Burglar Alarm Bell YL-323
Wireless Magnetic Sensor Door//Window Entry Safety Security Burglar Alarm Bell YL-323
Wireless Magnetic Sensor Door//Window Entry Safety Security Burglar Alarm Bell YL-323
Wireless Magnetic Sensor Door//Window Entry Safety Security Burglar Alarm Bell YL-323
Wireless Magnetic Sensor Door//Window Entry Safety Security Burglar Alarm Bell YL-323

Wireless Magnetic Sensor Door/Window Entry Safety Security Burglar Alarm Bell YL-323

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