Wireless Door Window Sensor Detector Alert Home Apartment Security Alarm System

90dB Entry Door Alert Wireless Door and Window Sensor Alarm warning Home Security System Features: 1. New and high quality 2. Super loud 90 dB alarm 3. Convenience in installation--just peel and stick 4. Super environmental suitability and stability 5. Dustproof and insect prevention 6. Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes, apartments, mobile homes, do rms, offices, hotel rooms, garages, and more! 7. Magnetic sensor switch detects entry protecting your home or office whether you are in or out 8. Warning door / window sticker is supplied free in package 9. Operated by 3pcs of 1. 5V LR44 / AG 13 button cell ( included ) Specifications: 1.Sensor type: alarm 2.Alarm type: sound 3.Material: plastic 4.Color: White 5.Size: 2.5 x 1.3 x 0.8 inch Package Included: 5 x Magnetic Sensor 5 x Magnetic Stick 15 x LR44 Button Battery

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