Stalwart Fingerprint and Digital Steel Safe: * Lock type: fingerprint and digital * Number of programming digits: 3-8 * Stores up to 32 fingerprints * Display type: LED * Wall thickness: 0.078" * Hinge type: concealed * Mounting type: floor or wall * Mounting hardware included: 4 expansion screws * Battery type: AA battery * Batteries included: 4 * Material: cold-roll steel sheets * Exterior dimensions: 13.8"L x 9.8"W x 9.8"H * Interior dimensions: 13.6"L x 7.87"W x 9.68"H * Door: 12.2"L x 8.3"W