10X WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor by Plugsus Home Furniture

Fulfilled by our friends at Plugsus Home Furniture Features: 1. New and high quality2. Super loud 90 dB alarm3. Convenience in installation--just peel and stick4. Super environmental suitability and stability5. Dustproof and insect prevention6. 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 out8. Operated by 3pcs of 1. 5V LR44 / AG 13 button cell ( included )Specifications:1.Sensor type: alarm2.Alarm type: sound3.Material: plastic4.Color: White5.Size: 2.5 x 1.3 x 0.8 inchPackage Included:   10 x Magnetic Sensor  10 x Magnetic Stick  30 x LR44 Button Battery