Ozone 5.28 Litres Digital Safe Locker for Home & Office – Digital Lock, 1-Way Unlocking (Password), Size: 80H x 280W x 350D mm, Weight: 3kg, 2-Year WarrantyBattery back up with USB The locker is operated by two AAA batteries. In the case of the batteries dying, there is an option of USB battery back up until you replace the existing one inside the safe Auto Freeze Mode To keep your belongings secure, the auto freeze mode in the digital locker gets activated when the wrong user code is entered three times. Then on the first attempt, the safe sounds a beep for 60 seconds before the lock opens up on