**Customizable Sensitivities** - The stopper features an adjustable sensitivity switch with three settings: high, medium, and low. You can modify the sensitivity based on the space between your door and the floor, as well as the type of flooring you have.
【Door Stoppers Security Kit】-The door stopper alarm in the "ON" status, once someone tries to break in, the door stopper will obstruct and make a loud alarm with 120 dB (volume can not be adjusted) to alert. And the portable door lock provides you with dual protection, preventing unsafe external entry, greatly improving the security of you and your family.
【Easy to Install】-Each door stop alarm is powered by a 9V battery (not included). No need to use tools to install, just simply place the stopper under door (For inward-opening doors only). The gap between the door and the floor should be 10mm (0.39 inch) to 35mm (1.38 inch). About the door lock, just need to insert it into the door hole on the side.
【Compact and Portable】-Small size, light weight, easy to take. You can carry them as a security guarantee for your travel or business trip. Enjoy the cheerful feeling throughout the journey.
【Non-slip Door Stopper】-The door stop alarm in "OFF" status, it can be used as common silicone base door wedge. Anti-slip design makes the door not easy to be pushed, so it can maximize your safety.