Value creation with fingerprint sensor External dimensions: 250×350×250 mm (h×w×d) Internal dimensions: 245×345×190 mm (h×w×d) Material thickness: 2 mm/5 mm (cabinet/door) Weight: 10.5 kg LED display Code: 4-8 digits Automatic light when door is open Memory for up to 20 fingerprints Mechanical keys included Pre-drilled mounting holes in back panel and bottom Includes mounting hardware Batteries required: 4x1.5 V AA (not included)