Extra Security and Feel SafePortable travel door locks can bring you additional security, especially when you are traveling or living in a hotel. It can prevent criminals from intruding while protecting your privacy. It is a portable door lock that can make you feel safe and peace of mind. High Quality MaterialPortable door lock made of heavy duty steel, the solid door lock is guaranteed to remain as good as new for a very long time. Provides secondary security for travelers, college students, singles, at-home Moms . Used the latest electroplating and polishing technology to ensure a perfect smooth touch, avoid any injury while using door lock. Upgraded VersionLatrent travel door lock has been upgraded and will be suitable for two different sizes of door strike. Suitable for 0.79 x 0.79 Inch and 1.1 x 0.79 Inch Door Bolts. Made of stainless steel & ABS, more durable and sturdy. The best gift for your family and keep them safer. Quick Installation/Easy to Use It can be installed in a few seconds without any tools, just install the metal part into the door hole, then close the door, and finally press the red button in. In an emergency, you can Remove the safety lock bar in a few seconds in the dark and add a safety gate to provide you with a strong sense of security. Widely UsedYou can use it at home or other places, such as hotels, dormitories, apartments, bathroom Airbnb short-term rentals, etc., and can lock most types of doors securely. For travelers, college students, single acquaintances , family mothers, provide additional security.