The Stack-On Quick Access Safe with Biometric Lock provides instant access to your safe's contents. This safe opens with a press of you finger, no combinations to remember. Biometric lock can accept 20 different fingerprints with backup key, biometric reader is easy to use and program. Biometric scanner is backlit for easy use in low light settings. Holes are pre-drilled in the safe for securing to a wall, permanent shelf or the floor and includes fastening hardware. Safe should be secured to a solid surface to ensure the security of the safe's contents. This safe is a California-approved Firearm Safety Device that meets the requirements of Penal Code section 23655 and the regulations issued thereunder. Stack-On Quick Access Safe with Shelf Biometric Lock