The essential door alarm for solo travelers on business! A physical door lock combined with an 80-decibel sound and light alarm for double protection. It weighs only 250g and is portable, passing through security checks. Installation takes just 30 seconds with no need for drilling. When placed at the bottom of the door, it prevents forced entry and immediately alerts in case of any movement. Whether you're staying in a hotel late at night or living alone at home, you can sleep peacefully.

It is a dual-security system of "physical protection + sound and light alarm": Just by twisting the mechanism, it can firmly seal the gap between the door and the frame, and even resist violent pushing of the door without moving an inch. Its protective force is much stronger than that of ordinary door chains. It is equipped with an intelligent vibration sensor. Once it detects any abnormal movement outside the door, it will immediately trigger an 80-decibel alarm - it can not only scare off suspicious individuals on the spot, but also wake you up immediately, providing a complete sense of security.On lonely nights, one can't help but repeatedly check the door lock; when staying in a strange hotel on a business trip, one can't sleep soundly fearing that the door might be pushed open - security is not enough with just a door lock. This door-keeping alarm device is a small but handy gadget that keeps "peace of mind" in your bag.
It is a double guarantee of "physical protection + sound and light alarm": When you twist the mechanical structure, it can firmly hold onto the door gap, and even resist violent pushing. Its protective force is much stronger than that of ordinary door chains; it has an internal intelligent vibration sensor. Once it detects any movement outside the door, it will trigger an 80-decibel alarm immediately - it can both scare off suspicious people on the spot and wake you up in time, giving you a full sense of security.
The most touching part is its "portable attribute": It weighs only 250g, lighter than a mobile phone, and can be easily tucked into your commuting bag or travel suitcase without any burden; whether taking a high-speed train or a plane, it can smoothly pass through security checks. When on a business trip, there's no need to "forfeit safety" due to it. When staying in a hotel, there's no need to drill holes or stick anything on the door; simply place it at the bottom of the door and screw the base, and it can be installed in 30 seconds; when checking out, just take it out and put it back in your bag, completely hassle-free.
When living alone at home, spend 10 seconds to screw it up before going to bed, and you won't have to repeatedly check the door lock; when entering a strange hotel on a business trip, first place it at the bottom of the door, and you can sleep soundly in a strange environment; even if you temporarily stay at a friend's house, you can take it out and install it - no matter where you are, with it holding the door, your heart will feel much more secure.
Unlike traditional security tools that are heavy and take up space, it has just the right balance of "protection power" and "portability": The small body conceals strong capabilities. When not in use, it can be stored in a makeup bag without taking up space. When in use, just twist it to firmly establish the safety line.
This sense of security is never "unnecessary", but rather a reliable "backup" in every necessary moment. With this door-keeping alarm device, whether it's the lonely night of living alone or the early morning in a strange hotel, you can sleep soundly.