Stack-On's Personal Safe with Electronic lock is conveniently sized to fit on a shelf or in a closet, allowing it to easily be mounted in a variety of smaller household and office locations. It features a foam padded bottom and shelf (removable) with room to secure valuables such as passports, jewels, and handguns. This is a California-approved Firearm Safety Device that meets the requirements of Penal Code section 23655 and the regulations issued thereunder. The easy-to-use electronic lock features a large, pushbutton keypad and a lockout period after multiple incorrect combination attempts. It has a low battery warning system, two back-up keys, and includes all mounting hardware. The solid steel, pry resistant door has concealed hinges and two steel live action locking bolts. Interior dimensions: 13.69" W x 7.77" D x 9.72" H.