Ultra-Secure 4-Digit Combination Lock: With up to 10,000 possible combinations, our key box locks provide maximum security and are extremely difficult to break. Its easy-to-use reset mechanism allows you to personalize your passwords at any time for added convenience and peace of mind. Versatile mounting options: Equipped with a removable shackle, you can easily mount the key lock box on a door or wall. The removable shackle offers two mounting options, giving you maximum flexibility to suit your needs. NOTE: To find the shackle, you need to open the lock box first. STURDY ALUMINUM ALLOY CONSTRUCTION: Its heavy-duty outer shell ensures the lock box can withstand hammering, sawing or prying, keeping your keys safe and reliable. This sturdy box securely stores your spare keys, allowing you to easily access them when necessary. WEATHER-RESISTANT AND CORROSION-RESISTANT: This lock box is designed to withstand the elements and is extremely thanks to its weather-resistant and rust-resistant