Item Tag: 65*32*20mm

Features:Super loud 90 dB alarm.Convenience in installation–just peel and stick.Super environmental suitability and stability.Dustproof and insect prevention.Warning door / window sticker is supplied free in packageOperated by 3pcs of 1. 5V LR44 / AG 13 button cell ( included )Magnetic sensor switch detects entry protecting your home or office whether you are in or out.Easily…