4pcs Wireless Home Window Door Burglar Security Alarm System

4PCS Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor Personal Security Door Window Entry Alarm Protection,Magnetic Sensor Alarm,Door Window Alarm Bell, Burglar Alert, Wireless Alarm, Easy Installation, Ideal for Home, Garage, Apartment,Hotel, and More Features: *Easy Installation-No wiring,easily mounted with the adhesive tape to door or window. *Purpose-Magnetic sensor switch detects entry protecting your home or office whether when you are in or out. *Type to window or door. Ideal entry warning for homes,apartments,mobile homes,offices,hotel rooms,garages,and more. *Strong 120 dB alarm. When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm to remind the owner. *Designed for indoor use only. *Built-in low battery test button to easily check battery life, includes Three LR44 batteries for each alarm. Installations: 1.Use the double-side adhesive tape to fix the main unit at the side of the door/window;then Attach the bar magnet to door frame/window frame with the arrow aligning with the reference line of the main unit. 2.Test the setup by switching the system's switch to "ON" position of the main unit and see whether the alarm can be triggered by opening the door/window. Specifications: Materials:Plastic Style:Door/Window Alarm Finish:Magnetic Sensor Shape：Cuboid Power Source:1.5V LR44 Batteries*4(Included) Quantities:4pcs Color:White Primary Part Dimension:6.3*3*2cm Secondary Part Dimension:5.5*1.3*1.3cm Package includes: Door Window Entry Alarm*4 Payment Delivery details About us Contact us Payment
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Shipped by USPS from NJ, US About us
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Any question, welcome to contact us. On Aug 19, 2023 at 08:24:05 PDT, seller added the following information:

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