General description Security door alarm with a powerful 120DB sound designed to detect entry and prevent children and babies from leaving the house, ensuring the safety of your home or office. Technical specifications Alarm sound: 120DB Low battery indicator: Yes Installation Ultra-thin design allows for easy installation on any door or window without damaging furniture. Usage Emits a 120DB alarm sound when the door is opened. Alarm sound stops when the door is closed. Suitable for children sleeping alone, the elderly, and pregnant women with high accuracy and no false alarms.