Measures approximately 14" x 7 3/4" x 3". Biometric fingerprint scanner and activation button. Programmable Biometric lock with key lock override. Holds 120 unique fingerprints. 18 gauge steel housing. Protective foam-lined interior. Tamper resistant door. Fast activation drop-down drawer. Audio and LED low battery warning. Mounting hardware included. Battery power supply - uses one 9V battery (not included). Backup override key included. Easily mounts in various locations for a variety of concealment options.