Sturdy and Durable: Made of highstrength zinc alloy and heavyduty stainless steel materials, Fayleeko key lock box is wellmade and strong enough to withstand hammering, compression, sawing and prying. The ABS shell can effectively protect against rain, dust, snow, sun protection and longterm repeated use Easy to Install and Use: This key password box has 2 installation options. You can mount it on the wall with the included plugs and screws; In addition, you can easily hang it anywhere, including door handles, metal fences, railings and pipes, without tools; Wide Application: By using this 4digit key lock box, you or others can access the key at any time, which is perfect for daily activities, friends, relatives, home services, emergency entrances, pet sitters and real estate businesses, etc.; Upgrade Large Capacity: The portable key security gym storage box provides a larger interior space and can hold up to 6 house keys shorter than 3.35 inches: ; when you travel or go on a business trip, you can put your house keys, car keys or access cards. Key Security: This key lock box comes with a 4digit code, you can set your own combination code with 10000 unique choices, ensuring security and key safety. It is tightly sealed, waterproof, durable, and can store house keys and exterior keys;