Stalwart Electronic Digital Gun and Valuables Safe: * Lock type: digital and manual override key * Number of programming digits: 3-8 * Display type: LED * Date and time display * Alarm bell * Open record: shows last open record, the way opened and the date and time opened * 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: 14.96"L x 11.8"W x 11.8"H * Interior dimensions: 13.6"L x 7.87"W x 9.68"H * Door: 12.2"L x 8.3"W