Ollieroo White 0.3CF Security Safe Electronic Digital Lock Keypad Small Safe Box for Home Gun Cash or Jewelry Brand:Ollieroo Constructed with 2mm Thick Solid Steel;4mm thick front door for More Security;0.77" thick door bolt for secure locking 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 and time out period after 5 incorrect combination attempts Pre-drilled holes inside the safe with fixing bolts allowing anchoring (2 Bolts included) Runs on 4 AA Batteries(Non-Rechargeable Battery Included); Exterior dimensions : 9.1" x 6.7" x 6.7" ; Interior Dimensions: 8.9" x 6.5" x 6.5"