【Quick Access BioSecure Wall Safe】This wall safe features a biometric module that analyzes the scanned fingerprint and compares it to unique characteristics of those stored in the devices 120-fingerprint memory. 【Secondary Access】In the event that the batteries are depleted when safe access is needed, a standard key lock provides secondary access that works independently of the biometric scanner. 【Adjustable Shelves】This Biometric Wall safe comes with 2 removable shelves for convenience organizing. 【Solid Construction】This safe is built with durable steel and dual built-in pry-resistant steel deadbolts. 【Mounting】This Biometric Wall Safe is designed to install in between the wall studs and mounts flush with the wall’s surface. Pre-drilled holes and hardware allows the safe to conveniently mount on wall.