Wireless Home Window Door Entry Burglar Security Alarm System Magnetic Sensor for Home Security

Feature This product is easy to install only need to paste the main and auxiliary parts on the cover and the chassis or two windows and align leave about 5 mm gap When someone unlawfully hits the cabinet or window the main and auxiliary parts are separated the alarm can send out a strong alarm sound to warn the intruder to leave If you want to open the chassis the door and window can be controlled by the switch The product is small and exquisite and easy to install The double sided adhesive provided can be easily installed on doors or windows Specification Prevent burglars from opening doors or windowsInstallation Magnetically ControlledAlarm sound 90 dBPower supply 3x1 5V Battery built in Weight Approx 35gHost size 6x3x2cm 2 36x1 18x0 78inApplication 1 Doors windows families shops businesses etc 2 Internet cafes computer chassis anti theft devices 3 Applicable to anti theft of Internet cafes residential buildings offices shop counters etc Built in 90 dB alarm output using 3 x 1 5 V LR44 button battery included 4 It is suitable for burglar proof of residential buildings offices shop counters etc Installation 1 Fix the main engine on the side of the door window with double sided sticker 2 Stick another bar door magnet to the door frame along the main prompt line in a straight line 3 When checking the settings adjust the main switch to ON position 4 Open the door and see if t