Size: 410X195X390 (can contain a notebook computer) Weight:14.5 kgs embeded door. auto spring out. rubber keys. big digital keypad. two sets of password--6 digit guest password, 8 digit master password. Anti-theft anti-copy mechanical key. different colors available. can keep 120 pieces of operation record. YYYY-MM-DD-HH-MM, records displayable via the LED of the safe. 4 AA #5 battery, low electricity cost.