Time Lock Safe This safe has a weekly programmable timer installed inside, which allows the user to set time intervals that control when the safe opens. The timer has 8 programmable on/off events per day, and 15 combinations of daily programs, that allow to choose when you can open the safe. For example: only from Friday evening to Sunday evening, every day after 8pm, before 7pm, or again from 4pm to 6pm, etc. The timer shortest locking time is 1 minute, the longest 1 week. The safe come with a set of emergency keys to bypass the time lock mechanism. ANTI BOUNCING SYSTEM. This safe needs both 110volt and 4 AA batteries to work. Video instructions. Videocall assistance. Hand-Assembled. U.S. Outlet. 2 bolts included to mount safe to wall, floor, or shelf