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. Motion detector with audio alarm helps guard against direct tampering. Audio low battery warning helps guard against unexpected power loss. Interior courtesy light, power connection jack for external AC or DC power supply.