BUY WITH TOTAL CONFIDENT: offers a 100% satisfaction guaranteed or 30 days money-back guarantee. If you have any questions about the key lockbox, please feel free to contact us for details.HIGHT QUATILY: Our key storage lock box is made of high-quality aluminum alloy and steel to keep your keys safe. Waterproof, rustproof, cut-resistant and effective resistance to violent damage caused by hammering, sawing, or prying open.EASY TO INSTALL AND USE: There are 2 mounting options for this combination lockbox for keys. You can mount it on the wall with supplied plugs and screws; besides, you can hang it anywhere easily including doorknob, metal fence, railing, and pipe, no tools needed;WIDELY RANGE OF APPLICATION: By using this 4-digit key lock box that allows you or others access the key at any time, which perfectly suitable for daily activities, friends, relatives, home services, emergency entry, pet sitters and real estate business, etc;SAFE FOR KEYS: This key lock box with a 4-digit code that allows you to set your own combo code with 10000 unique choices, which ensure security and your keys safe. It is tightly sealed and waterproof, durable enough for the house key and outside key storage;