About this item: Two installation methods: This key lock box offers two installation methods. It can be mounted on the wall of your home or office (with built-in expansion screws) or hung on a door handle or fence (with removable hooks), making it very convenient to install and use. Never worry about losing your keys again. The upgraded 4-dial key safe offers up to 10,000 combination possibilities, which increases security, is not easy to break, and ensures the safety of your keys. Note: After each password reset, be sure to record your password by taking a photo or making notes, otherwise you will not be able to recover it; The upgraded 4-digit resettable password safe has a large internal storage space: 3.7*3.1*1.4 inches, which can store 5 house keys. You can put your house key or small car key in it for emergency entry when you are on a business trip or vacation. Safe and convenient. This combination key safe for storing house keys is made of high-quality aluminum alloy and durable steel to withstand hammering, sawing, and burglary. It also uses eco-friendly paint and is harmless to the body.