Outside of the safe is constructed of 16-gauge steel, while soft foam on the inside protects valuables. High-strength lock mechanism performs reliably. Precise fittings virtually inpossible to pry open with hand tools. Built-in computer blocks access after repeated invalid keypad entries and audio feedback confirms each correct keypad entry. Tamper indicator, unique No-Eyes Keypad allows for quick acess. Audio disable option adds security of operating in silent mode.