Sell 120DB Mini Wireless Vibration Alarm Door,Stop Alarm, for Home Wedge Shaped Stopper,Alert Security System Blocking System best price

Widely used in single apartment/rental/business trip/travel home/company, etc. Any occasion that requires protection, anti-wolf anti-theft thief, can also prevent abnormal intrusion Product Name: Door Resistance Alarm Working voltage: DC9V Alarm volume: 120DB Sensitivity L file: low sensitivity Sensitivity M file: sensitivity Sensitivity H file: high sensitivity (vibration alarm) Colour:Black + Sier Material:ABS+metal Size:14x4.5x3.8cm Package Contents: 1 * Door AlarmOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.