Sell YL-323 Door Window Entry Alarm / Wireless Home Security Door Window Entry Alarm Warning System Magnetic Sensor best price

Feature New and high quality Super loud 90 dB alarm Convenience in installation--just peel and stick Super environmental suitability and stability Dustproof and insect prevention Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, and more! Magnetic sensor switch detects entry protecting your home or office whether you are in or out Warning door / window sticker is supplied free in package Operated by 3pcs of LR44 batteries ( include ) Specifications: Sensor type: alarm Alarm type: sound Material: plastic Color: White Size: 6 x 3 x 2cm Package Contents: 1 x Alarm Unit 1 x Magnetic Sensor