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This Door Stopper Alarm is a simple & practical device to trigger alarm when door opened, it’s also a simple tool to alert the caregiver when the monitored person walks out of the room or house.
• Simple tool for anti-theft
• Ideal for travelers to be used in motels/hotels, students in dormitories, home-use...
• Triggers loud alarm when door opened
• Loud sound > 105dB, with 2 sound patterns
• Slip resistant