【Double-Walled Construction】 The flush-mounted, impact-resistant access lid is impervious to hammering, sawing, or disassembly. Confidently place the keys to your kingdom in our key safe. 【4-Digit Combination Dials】 Nothing is more secure than a four-digit password key lock box. The attached hinged lid allows for one-handed operation. Clear instructions guide you to reset your access code at any time. Please note that once the password is reset, it is best to take a photo to save or there will be no way to open it again! 【Rust-Resistant Steel】 Internal dimensions: 92x75x26mm. It is suitable for outdoor and indoor use. Your key safe features a weather-resistant sliding shutter cover to protect the combination dials from further damage. 【Large and Secure Storage】Suitable for up to 5 house keys or 3 large keys. Prevent lockouts and give access to your property to caregivers, service technicians, and pet sitters while you are at work or on vacation. Perfect solution for storing keys for rentals. Install the key safe with its removable hook that can only be opened when you open the key safe. ①Open the box inside, there will be 4 holes on the back of the box. ②Hold the box against the wall and mark the position of the holes with a pencil. ③Using a drill with a masonry bit, drill holes into the wall. ④Place the plastic railing plugs into the wall. ⑤Place the box against the wall and then screw in the screws provided. Quantity delivered: 1 piece