【Home Security Alarm】 Magnetic door and window alarms emit a loud 130 decibel siren if doors and windows are suddenly opened. It prevents your children from sneaking through the door or intruders from entering. 【Five Alarm Modes 】There are 5 different alarm modes: 1. The alarm continues when the door is closed. 2. Close the door to stop the alarm. 3. Anti-theft mode for valuables. 4. Doorbell mode: ring "Ding Dong" as a welcome tone. 5 SOS modes 【Alarm with Remote Control】 A door sensor alarm is equipped with 2 remote controls. Arm mode, SOS mode and disarm mode, controlled by the remote control 【Various occasions】 The magnetic door alarm is small in size and Suitable for many occasions. You can install it on the front door, back door, garage door, window, closet, drawer, or anywhere you want to know if it is open. 【Easy to Install】 Easy to install with the tape we provide. Please make sure the sensor and magnet are aligned and the gap is less than 10mm. If you have any questions,