Ideally Large Capacity and Easy Installation: 4 Screws holes at the back of the locked key box,with compatible screws and wall plugs, it can be fixed on the wall easily made of extra thick and hard material, this Lock Box hardly deform or break; No need to worry any thief will hammer, saw and pry the combination lock 10,000 Combination: the safe code storage box is consist of 4 digits, composed into 10,000 personalized combination; Enable to set the code as you want,and people won't speculate the code easily Wide Aplication: store car key, access card, house key;convenient for family,friends,relatives or guest's entering if nobody at home; Good choice for person who always on the go or on vacation Where to install: install the key lock box in front of door wall, garage or clothes closet; Suitable for house rental, share house, pet sitter, sitter, dustman, etc. Size: internal size: 3.1 x 3.74 inch; Outside size: 3.3 x 4.92 inch Material: Aluminum alloy,the secure key hider won't be broken by thieves, strangers, intruders. Color: Black & Silver Compare to the other key box: Extra big: no as same as other padlock or key cabinet with small capacity, the rectangular design enables you to store several door access,cards, car keys, fobs, necklaces, jewellery, ring, etc. Seamless construction: People can hardly see what inside, keep your possession safe. How to reset the passwords? Open the key box, find the reset button (with arrow symbol) Press right the steel tip, and push upward to make the steel tip get stuck into the other slot Rotate 4 digits to set the passwords you want Press downward the steel tip, it will go back to the original place (important process, or you can open the key box door in any password) And then close the key box, realign the dials to lock the door and conceal your combination. Notice: Please don't forget the password, or you want