Giantex Electronic Wall Hidden Safe Security Box.83 CF Built-in Wall Electronic Flat Security Safety Cabinet Safety Box: Keep cash, jewelry, guns, and other valuable protected. Easy To Use: Offer two options to open, code or key Nice Material:Solid and robust steel construction with sturdy locks Burglary resistant design, highly reliable and dependable , Time Out Period Gives Better Protection After 3 Incorrect Combination Attempts External Overall Dimensions: 22"H X 16"W X 4 1/7"D, Inside Dimensions: 19"H X 13 4/5"W X 3 3/4"D,