Vibration shock sensor is a type of device which can be activated by vibrations in a pre determined zone and can be interfaced with a switcher to switch the nominated surveillance camera or Alarm system. When detected Vibration (Example: People break in your house via windows, when breaking, it will generate vibration), It will activated the Alarm. 

All this done via wireless, no fussy wiring job needed.. Just plug plug and work with your main wireless alarm (can get from our store as well).