Item Tag: Battery Connection
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6 pcs WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor
Sensor type: alarm. Super loud 90 dB alarm. 6 x Magnetic Sensor. Alarm type: sound. 6 x Magnetic Stick. Easily mounted by adhesive. Type to window or door. Convenience in installation–just peel and stick.
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10PCS Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor
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…