Large & secure storage: For up to 5 house or car keys. Perfect for storing keys for Airbnb rentals. Double-walled construction: Flush-mounted, impact-resistant cover that's impervious to hammering, sawing, or stabbing. Store the keys to your kingdom safely in our key safe. 4-digit combination dials: Allow you to customize your own access code. The attached hinged lid allows for one-handed operation. The instruction manual outlines the steps for resetting your access code at any time. Rust-resistant steel: Suitable for outdoor use. External dimensions: 4.72" x 3.26" x 1.37". Your key safe has a weatherproof, sliding locking cover to protect the combination dials from the elements. Easy to install: All necessary mounting hardware is included: 4 screws and 4 nylon expansion anchors to ensure the key safe can be mounted on any solid surface. Tips: 1. Dial to the default code (0-0-0-0) to open the key box. 2. Push the REST lever to position B. 3. Scroll numbers to set your desired combination. 4. Push the RESET lever to position A. Done! Please make sure, Be sure to record your password by taking a photo or note after each password reset. Otherwise, you won't be able to retrieve it. Using a combination like "0-0-0-0" is NOT recommended, as this may easily cause cracks. Please keep the roller door closed for weather, dirt, and grime resistance.