Easy Installation.
Put the door stop alarm under the door, with a gap of between 10mm (0.38 in) and 35mm between the bottom of the door and the floor. There is no need for wiring; it is battery-operated (requires 1x9V battery, not included) (1.35Inches). When the door opens, it cannot slide on tile or smooth wood; smooth floors may try to use H-type sensitivity and vibration-sensing alarms.
Non-Skid Door Stopper.
When the door stopper alarm is turned off, it can be used as a standard rubber base door wedge to hold the door open without making a loud alarm sound.When the door stopper alarm is turned off, it can be used as a standard rubber base door wedge to hold the door open without making a loud alarm sound.
3 Sensitivity Levels.
H level is the most sensitive level at which vibration will set off an alarm. It is important to note that when the alarm sound gradually gets smaller, it is time to replace the battery. The alarm has three levels: Low, Medium, and High, with an adjustable sensitivity switch on the side.
Portable Door Stopper Alarm.
One door alarm is included in the package; each weighs approximately 120g and is easy to transport. It is ideal for bedrooms, hotels, apartments, dorm rooms, front doors, etc. tranquility when working or traveling alone.
Also called Upgraded 2-in-1 Portable Door Stopper Floor Wedge Security Alarm Loud 120-dB Entrance Alert for Travel Home Apartment House.
