NEW Small Black Digital Electronic Safe Box Keypad Lock Home Office Hotel Gun 17 Opens with digital PIN or included override key. Hidden lock with two keys Security code from 3-8 digits using any number from 0-9, 3000-time operation life expectancy of battery Pre-drilled holes behind the safe with included 2" bolts for anchoring Inside tamper-proof hinges NOTE: The safe runs on 4 x AA-Size 1.5V batteries are not included. Exterior dimensions: 7"H x 9"W x 7" D, Interior dimensions: 6.6"H x 9" W x 5"D