4pcs Wireless Home Window Door Anti-theft Security Alarm System

4PCS WIRELESS Home Window Door Anti-Theft Security ALARM System Magnetic Sensor Ship within 24 hours. 100% New & Excellent Quality Strictly QC, Each item was fully checked before shipping FREE & FAST Shipping delivery with Tracking Number 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 Return Delivery details Payment FAQ's Contact us Return If you found that the item was damaged when you get it, pls contact us firstly Delivery details We Ship to Payment address ONLY. Payment PayPal accepted. FAQ's None Contact us Welcome to contact us for any question. On Oct 1, 2023 at 10:18:13 PDT, seller added the following information:

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