Door Window Alarm Sensor Anti Theft 120dB Loud Glass Break Alarm Window Vibration Alarm for Home Security

Feature: 1. DOOR OPENING ALARM: The door and window alarm can detect the opening and closing of the door, and when the door is opened, it will emit a prompt sound. It is very suitable for installation on car window, home glass window or doors, protecting your property safety. 2. VIBRATION ALARM: In addition to door opening and closing detection, the device also support vibration detection. When the preset vibration value is reached, a sound will be emitted to provide a prompt, effectively detecting situations where glass doors or window are forcibly broken open. The vibration intensity can be set to avoid false alarms. 3. MASTER FREE ENTRY: The window alarm supports manual closing, and the closing method is also very simple. It can be manually closed when the master enters and manually opened when leaving, achieving perfect supervision. 4. VOLUME ADJUSTMENT: The door and window alarm supports volume adjustment, up to 120 decibels, which can be heard within 100M. It can also be set to silent or lower volume to avoid disturbing people around. 5. EASY INSTALLATION: Comes with adhesive backing, stick it on the back of the machine, then, stick to the desired location, press the power key to start. Comes with AAA dry battery and low power design, capable of meeting one year of battery life. The battery is fixed with a screw cover plate, which can prevent theft or disassembly. Specification: Item Type: Door Window Alarm Material: ABS Battery: 2 x AAA Batteries 1400mAh (with built in battery) Volume Range: 0dB to 120dB. Package List: 1 x Alarm 1 x Door Magnetic Receiver 1 x Big Back Glue 1 x Small Back Glue 1 x Instruction Manual Note: When installed on a door or window, it will only alarm when the glass is broken or the door window is severely hit. The reason for choosing the sensitivity grade is to reduce false alarms caused by rain hitting the window.