Mini Wireless Vibrator Triggered Wedge Shaped Door Stopper Alert Home Security System Door Alarm Blocking Block Black (Pack of 1)

3 sensitivity levels - low - medium - high, with an adjustable sensitivity switch on the side.

Also functions as a wedge to prevent the door from opening when powered off.

No installation required. Requires a 9-volt battery.

Portable and easy to add a little peace of mind when traveling or working alone.

Extra loud alarm.

A 120-decibel alarm sounds when pressure is applied to stop the door.

Small size, 5.5 x 1.6 x 1.7 inches

Only 95g, lightweight and portable

Anti-slip base

Super loud 120dB alarm

3 sensitivity levels: low-medium-high

Dual function: security alarm and doorstop

Easy to use: Charge a battery; turn on the switch; place it under the door, and you're done.

DIY installation, suitable for wood/tile/cement/carpet floors

Ideal for home/apartment/dorm/hotel/travel and so on