This Timer Padlock Timer Lock is a simple tool for setting and monitoring access time for smartphones, cigarettes, computers doors, windows, cabinets, etc. It's easy to use, just set the timer and lock it, and it's perfect for home, office and school use. With its strong 3m adhesive, this lock is easy to install and remove without leaving any traces or damage. The lock body is made of environmentally friendly abs material, and the password lock cylinder is made of zinc alloy, making it durable and safe. The timer lock can be set to 99 hours and 59 minutes, and it will automatically lock after the set time is reached. It's a great choice for temporary use and can be set and unlocked with one button.