Durable and Sturdy Body Design key storage box with high strength aluminum alloy body construction for durability. High grade aluminum alloy body can protect the key box from hammering, sawing and prying, thus securing your belongings from thefts. and this stainless steel material is rust-proof, waterproof and corrosion-resistant. . Higher Security DesignThe password dials rotation wheel is made of high strength zinc alloy, 4-digit provides 10,000 combinations that are more difficult to crack than 3-digit locks. The 4 wheel combination key box allows you easy access to set and reset your code. You can pick your preferred code from 10,000 different combinations and easily reset the code within minutes. . Easy Installation and Wide ApplicationOurs key code box with a removable shackle. You could hang it exactly where you need like doorknobs, on doors, fences, cars or anywhere else. Without installation tools, as no need to fix it to the wall, take it off at any time, just like using a normal padlock. Suitable for indoor and outdoor use. Such as rental (Airbnb), garage, office, school, warehouse etc. . Small in Size Big on UsesThe capacity of our key security box is big enough. Interior size approx. 7cm(L) x 2.5cm(W) x 8cm(H)2,76"(L) x 0,98"(W) x 3,15"(H). Exterior size: 7.5cm(L) x 3.5cm(W) x 9.5cm(H)2,95"(L) x 1,38"(W) x 3,74"(H). Portable key lock box in mini size and large internal space allows you storage for multiple keys. and you can also storage some small things if you needed. . What You Get1x secure key box, 1x user manual. 1x package box. offers 1-Year warranty, Lifetime customer service. Fast and easy-to-reach customer service. if you're not 100 percent SATISFIED with the lockbox, Please contact us at any time. . Gift