1.Protect property by giving out alarm sound
2.Sound alarm when senses vibration,shaking
3.Convenience to use
4.New product

It aims to protect your property by giving out alarm sound when it senses vibration, shaking, striking and moving.     1. Install one piece of 9V battery in the alarm(please check the polarity of the battery)   2. Attach the alarm to door or window. (There is magnetic bar inside the alarm)       3. Switch on the alarm and it will be on ALERT for 15 seconds. If there is any vibration, the alarm will sound for 25 seconds. (the beep sound is over 110dB)                4. If the vibration continues, the alarm will sound again.                          5. When the sound is low, please replace the battery. If you don't use the alarm for a long time, please remove the battery.                                        Note: If you are buying a remote control vibration alarm, then besides the above functions, there are still the following two functions:                           1. Settings: Click the button deployment, three seconds later into the security alert.      2. Disarm