Easy, Wire-Free InstallationNo wiring required—simply insert one 9V battery (not included) to power the device. Turn the alarm on using the switch located on the back and place it securely under the door. Suitable for door-to-floor gaps between 10mm (0.38 in) and 35mm (1.35 in). For best performance on smooth surfaces like tile or hardwood, use the “High” sensitivity (H) setting to activate the vibration-sensing alarm feature.
Powerful Door Stopper Security Alarm
When switched to “On,” this device doubles as a security alarm. If pressure is applied to the door, it triggers a piercing 120dB alarm to alert you and deter potential intruders. It can wake light sleepers and may even alert nearby neighbors—ideal for home or travel security.
Multi-Use Non-Skid Door Stopper
With the alarm turned “Off,” it functions as a standard non-slip door stopper. Its rubber base holds doors firmly in place without noise, making it a reliable wedge for keeping doors open.
Adjustable 3-Level Sensitivity
Choose from Low, Medium, or High sensitivity settings using the side switch. The High setting activates the alarm with even slight vibrations. If the alarm volume decreases, it’s a sign the battery needs replacing.
Compact & Travel-Friendly
Each door stopper alarm weighs approximately 120g—lightweight and easy to pack for travel. Ideal for use in bedrooms, dorms, hotel rooms, apartments, and more. Enjoy added peace of mind whether at home or on the go.
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