•  
  • 【Dual Function】Can be used as a door stop alarm and door stopper, Its high damping rubber bearing can prevent the door sliding and prevent the bad guys into. apartments, dorm rooms, front doors, etc;peace of mind when traveling or working alone.
  • 【3 Level of Sensitivities】Hige-Midium- Low Sensitivities. Which depends on the distance door touch the door stop alarm.
  • 【Loud Alarm】Very loud shrill that would definitely scare someone away with 120db alarm. Weight: 4.5 oz.
  • 【Powered by 9V Battery】 The door stop alarm powered by 9V battery, One piece can be used for a year under normal circumstances. Very practical. (Note: Battery not include)
  • 【Easy to Use】NO installation required, Simply place the alarm behind any door (home, hotel, etc). very convenient to take with you when travel or stay indoor alone.
   
   
   
  Technical Parameter：
  • Color: Silver and black (as shown in the pictures)
  • Material: Stainless steel cover
  • Working modes: Vibration sensor
  • Volumn of the alarm: 125 dB
  • Three sensitivity: High, Medium, Low
  • Battery: 1*9V battery
  • Size: 135*45*40mm
  • Net weight: 294g
  Package:
  2 doorstop alarm(battery are not inclued)