About this item Large and secure storage for up to 5 house keys or 3 large keys. Prevents lockouts and allows access to your property by healthcare workers, service technicians, and pet sitters while you are at work or on vacation. Ideal key storage solution for Airbnb rentals. Includes a U-wire in the key box, which assists with unlocking. Double-walled construction with an impact-resistant cover that provides resistance to hammering, sawing, or prying. Safely store keys for your home or property. 4-digit combination allows you to customize your own access code. Hinged lid enables one-handed operation. Instructions included for resetting your passcode at any time. Made from high-quality materials including zinc alloy, aluminum alloy, and stainless steel for durability. External dimensions: 12 x 8 x 3.5 cm. Features a weatherproof sliding cover that protects the combination dial from the elements. Easy to install with all necessary mounting materials included: 4 screws, 4 plastic anchors, and nylon inserts. Installation steps: 1. Open the box to access the 4 mounting holes on the back. 2. Position the box against the wall and mark the hole locations. 3. Drill holes into the wall. 4. Insert plastic anchors into the wall. 5. Align the box and secure it with the provided screws.