INSTANT, RELIABLE ACCESS - The StopBox Pro is a portable pistol safe alternative, designed to prevent tampering while keeping your gun safe and secure. Take control of your firearm in a matter of seconds, while keeping it secure and ready at all times. NO BATTERIES, NO ELECTRONICS - Say goodbye to jammed key lock boxes or malfunctioning biometric gun safe fingerprint reader issues. The Stop Box mechanical combination gives you quick and immediate access to your firearm without system failures, keeping your gun case lockbox secure and protected.