Homegear Fire Proof Electronic Safe CE and RoHS Product Certification. Heavy duty steel construction  thick 5mm front door and 1.5mm/2mm walls Allows key or keyless entry (2 keys provided). Removeable and height adjustable Shelf. Electronic keypad uses 3-8 digits from 0-9 for secure PIN code. LED display Outer Dimensions: 16.7 H X 16.1 L X 18.9 W. Weight: 70.4 lbs Time out period:4 incorrect,3 minutes Uses 4 AA batteries (included). 1 year warranty