Greater Security: combination lock box offers 10,000 combinations to you to choose the unique combinations you want, not easy to be cracked, more secure and reliable Widely Used: Key storage box suitable for outdoor and indoor use. Great key safe box for home, vacation home, garage, emergency entry and real estate business. Convenient for cleaners, workers, pet sitters, the elderly and children Durable & Robust: Key storage lock box is made of high quality zinc alloy, waterproof, rustproof, cut-resistant and effective resistance to violent damage. Come with sliding shield protects the digital dials from sun, rain, dust and snow Large Capacity: The internal dimensions of the key lock box is 3.54in*5.56in*1.18in and can hold up to 5 keys and access card. When you go out for travel or business trip, you can place the keys in lock box and never worry about losing your keys Easy to Use: The combination of key storage lockbox can be reset in 4 simple steps. Come with 4 screws and 4 nylon expansion plugs, you can install the key lock box to anywhere you like