Step 1
Power and select
Switch the alarm on and choose low, medium, or high sensitivity.
Rated up to 120 dB · three sensitivity levels
Pressure-activated audible warning
Portable Anti-theft Vibration Alarm Door Stopper
Place the wedge behind an inward-opening door and select the sensitivity level for an immediate audible warning when pressure is applied.
$23.77
Secure checkout30-day return windowTracked options at checkout
- Supplier-rated output of up to 120 dB
- Low, medium, and high sensitivity settings
- Pressure plate activates when the door moves
- Compact format for travel or home use
Safety and compatibility matter.Test activation and floor grip on arrival. Loud alarms can affect hearing at close range; do not activate near ears.
Experience peace of mind wherever you go with our Portable Anti-theft Vibration Alarm. This innovative door stopper is designed for those who value security, whether at home or on the road. Made from durable ABS material, it provides a reliable barrier against unwanted entry.
With a powerful 120dB high-pitched alarm, this device ensures that any potential intruder will be deterred immediately. The anti-slip damping primer keeps the alarm securely in place, while the three-stage sensitivity adjustment allows you to customize the level of alert based on your needs. Simply insert a 9V battery (not included) and you're ready to safeguard your space.
Compact and lightweight, measuring 14cm x 4.5cm x 4cm, it's perfect for travel or home use. Whether you're staying in a hotel or just want to add an extra layer of security to your home, this door block is the ideal solution.
Step 2
Place behind door
Position the wedge on a stable surface behind an inward-opening door.
Step 3
Test activation
Apply light door pressure to confirm that the alarm activates before use.
Will it work on every floor surface?
Not identically. Grip varies with dust, moisture, floor finish, carpet depth, door angle, and pressure. Test it on arrival.
Is 120 dB guaranteed?
The supplier rates the device up to 120 dB. Actual measured output varies with battery condition, placement, acoustics, and testing distance.
Does it replace a door lock?
No. It is an audible warning device. Always use the property’s installed locks and follow local safety requirements.
How do returns work?
Contact support@roamsafe.shop within the published return window before sending an item back. Follow the authorization instructions in the refund policy.