Home Security AlarmMagnetic 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 enteringFive alarm modesThere 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 welcome tone. 5 SOS modesAlarm with remote control A door sensor alarm is equipped with 2 remote controls. Arm mode, SOS mode and disarm mode, controlled by remote controlVarious 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 InstallEasy 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, please do not hesitate to , we will be happy to solve your problemsFeatures:Decibel: 130dBRemote control distance: 25mAlarm device size: 92*42*17mm Magnet size: 45*12*15mmRemote control size: 60*33*11mm