HASTHIP Door Sensor Security Alarm with Motion Sensor, Super Loud 130dB Door Alarm Security for Home, 5 Modes Door Open Alert Burglar Alarm System, Left/ Right Side Installation Smart Door Alarm Charger and electrical leakage

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[USB Charging]: Cordless use

HASTHIP Door Sensor Security Alarm with Motion Sensor, Super Loud 130dB Door Alarm Security for Home, 5 Modes Door Open Alert Burglar Alarm System, Left/ Right Side Installation Smart Door Alarm Charger and electrical leakage130DB EFFECTIVE DOOR? ALARM? SECURITY? FOR? HOME: Quick magnetic induction home? security? alarm? system. Alarm includes 2 parts which are be proprammed that once they are away from each other over about 0. 39in. The 130dB alarm reminds you that someone has left or entered your home or open the window. With the alarm, you don't need to worry of any unexpected break in. MULTIPURPOSE: Different modes for different scenes, this wireless door? alarm?