Measures 12"L x 10"W x 4"D. Biometric fingerprint scanner and activation scanner. Programmable Biometric lock with key lock override. Holds 120 unique fingerprints. Fits and operates in most standard drawers making it the smart choice for handgun storage. 18-gauge steel construction. Protective foam-lined interior. Tamper resistant door. Audio and LED low battery warning. Uses one 9V battery (not included). Backup override key included. Patented No-Eyes Keypad. Fits most tablets and e-Readers.