The Mycube recessed wall safe is designed to fit in between two wall studs for extra security and sleek protection. Available in our high-gloss white designer finish, and equipped with four pre-drilled bolt holes for secure installation, 3.5 sits inside the wall and three outside the wall. Four-digit digital keypad runs on 4aa batteries with back up manual key. Intenral light allows for easy visibility isndie the safe.