Best large Digital Safe lock box Depository Drop Box Keypad Home Security Deposit Slot Home Office Digital Pin or Override Key- The safe can be opened via PIN number or a physical key Hidden Keyhole Cover- The cover discretely hides the keyhole which prevents picking, tampering, and drilling for added security Heavy Duty Construction 2mm thick solid steel body with 4mm solid steel door Fireproof tamperproof weather proof Automatic Security Time Out- Safe automatically locks out after 3 incorrect combination attempts Pre-drilled Mounting Holes -Pre-drill mounting holes makes securely mounting the safe in your home easy.