About this item Large & 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're at work or on vacation. perfect Key storage solution for AirBnB rentals. Note: In addition, there is a U-wire in a key box, which is useful for unlocking. Double-walled construction The impact-resistant cover is insensitive to hammering, sawing or leverage. Safely place the keys to your kingdom in our key safe. 4-digit combination You can customize your own access code. The hinged lid allows for one-handed operation. Instructions guide you through the steps to reset your passcode at any time. High Quality Materials Mainly zinc alloy, aluminum alloy and stainless steel. It is high quality and durable. External dimensions: 12 x 8 x 3.5 cm. Your key safe has a weatherproof sliding cover that covers the combination dial protects against components. Easy to installAll necessary materials are included: 4 screws, 4 plastic anchors nylon. Installation method: 1. Open the box, inside there are 4 holes on the back of the box. 2. Hold the box against the wall and mark the position of the holes. 3. Drill holes in the wall. 4. Place plastic railing plugs in the wall. 5. Place the box on the wall then screw in the screws provided.