About this item. Secure storage: up to 5 house or car keys. service technicians and animal groomers at work or on vacation. Perfect solution for storing your keys. SUPER DURABLE MATERIAL: Made of stainless zinc alloy, suitable for outdoor use, non-corrosive and weather resistant. The sliding closure protects the dials from the weather. Choice of 4-piece combination: with this option, you can define your own access code. Keep your keys safe. The user manual walks you through the individual steps to reset your passcode at any time. EASY INSTALLATION: All necessary mounting hardware is included: 4 screws and 4 nylon expansion plugs to ensure that the key ring can be mounted on any solid surface. REFUND AND GUARANTEE: 45 days money back guarantee if you are not satisfied with our key box. See more details.