Winixson 12.5" Electronic Digital Lock Keypad Safe Box Cash Jewelry Gun Safe Black New Material: Solid Steel, Color: Black, Constructed with 2mm Thick Solid Steel, 4mm Thick Front Door for More Security, Pre-drilled holes behind the safe with included 2" bolts for anchoring Opens with digital PIN or included override key, Hidden lock with one key Security code from 3-8 digits using any number from 0-9, Time out period after 3 incorrect combination attempts, Inside tamper-proof hinges, Carpet padding on inside bottom, Mounting to the floor, wall or cabinet Operation: Digital PIN or Override Key, Original code: 159, then press A or B, Exterior size: 8"H x 12.5"W x 8"D Door opening: 10.4" x 6.1", Body Thickness: 2mm solid steel, Door Thickness: 4mm solid steel, Battery Required: 4 x AA-Size 1.5V (not included), Time Out Period: After 3 attempts