About this item Please refer the product manual before installation & first setup. Kindly ensure to keep the back-up key in a safe place for future use. In case of issues during fingerprint or pin set-up, kindly use new batteries 1.8 cubic feet home safe for storing important documents, jewelry, and other valuables. Programmable electronic keypad ensures secure, easy operation; back-up key for emergency use Heavy-duty carbon-steel construction (8-gauge steel door and 14-gauge steel body); 2 live-door bolts and pry-resistant concealed hinges for superior security. Includes pre-drilled mounting holes and hardware for floor and wall mounting Assembly Required: The product can be easily assembled by following do-it-yourself (DIY) step by step instructions included with the product. Note: Please refer the user manual for the DIY assembly prior to assembly for better use. Exterior measures 13.8 x 13 x 19.7 inches (L x W x H); interior space measures 13.6 x 10.6 x 19.5 inches (L x W x H)