Tenvellon 4pcs Magnetic Door Window Alarm

Door Window Alarm: Magnetic Alarm for Enhanced Security Protect your home with our Door Window Alarm. This magnetic alarm is designed to alert you immediately when an intruder attempts to open your doors or windows. The loud 100dB~125dB alarm ensures that both you and the intruder are aware of the security breach, providing an effective deterrent against unauthorized entry. Key Features: Loud Alarm: 100dB~125dB alarm sound to alert you and deter intruders. Magnetic Activation: Alarm triggers when the magnetic box is separated from the main unit. Easy to Use: Simply attach the magnetic box to the door or window and turn on the switch. Effective Security: Ideal for protecting children's rooms or preventing unauthorized access. Battery-Powered: Easy to install with replaceable batteries. How It Works: Open the battery cover and insert the batteries. Attach the magnetic box next to the main unit and switch the device to “ON.” The alarm will sound if the magnetic box is moved away.