FREE INSTALLATION: With the portable key safe with detachable bracket, you can hang it anywhere including doorknob, fence, railing, pipe, etc. It's very easy and no tools needed. With all included mounting hardware and pre-drilled holes, you can choose to wall mount the code lock box or mount it to a solid indoor or outdoor surface as needed. HIGH SECURITY: Strong zinc alloy construction gives the key safe with code high resistance to hammering, sawing and prying. The resettable 4-digit key safe with yoke allows you to set your own combination with 10000 unique options. Be confident in giving the house keys to your family and loved ones and never worry about locking anyone out. EASY TO USE: Only four steps to set and reset the 4-digit combination. Instructions are always included. Please note that you will NEVER forget your password or use or reset the key safe. CAPACITY: The spare key box offers space for up to 5 keys. You can also save your credit card and USB. [NOTE] Since the top inside is occupied by the lock mechanism itself, only items no thicker than 0.5cm can pass through this part. Long, thick objects such as wireless car keys do not fit through. VALUE RESISTANT: The small key safe is suitable for outdoor use. And the environmental protection paint increases resilience. It also comes with a sliding door to hide and protect the dials from dust, rain, snow and ice during your daily use.