Door and Window Alarm Security System - Wireless Anti-Theft Alarm with Magnetic Sensors for Home Protection.

Features: 1. 100% brand 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. When the distance between two door magnets is over 2cm,it will issued a treble warning sound. Specifications: 1. Sensor type: alarm 2. Alarm type: sound 3. Material: plastic 4. Color: White 5. Power:2*AAA Battery(not included) Package included: 1 x Alarm Unit(Battery not included)