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 entering Five 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 a welcome tone. 5 SOS modes Alarm with remote controlA door sensor alarm is equipped with 2 remote controls. Arm mode, SOS mode and disarm mode, controlled by remote control Various occasionsThe 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's open Easy to InstallEasy to install with the tape we provide, please make sure the sensor and magnet are aligned and the gap is within 10mm. If you have any questions, do not hesitate to contact us, we will be happy to solve your problems Specifications: Decibel: 130dB Remote control distance: 25m Alarm device size: 92*42*17mm Magnet size: 45*12*15mm Remote control size: 60*33*11mm