General description The Master Lock 540 Select Access® Key Safe provides secure storage for house, car, or padlock keys. It features a durable metal body with a 4-digit programmable combination lock, allowing you to set your own code for easy access. The shutter door protects the combination dials from weather, dirt, and grime, making it suitable for both indoor and outdoor use. This key safe is ideal for sharing access with family, friends, or trusted individuals, eliminating the need to hide keys under doormats or flower pots. Technical specifications External Dimensions: 119 x 85 x 36 mm Internal Dimensions: 92 x 64 x 30 mm Color: Grey Material: Metal (aluminum or similar) Lock Type: 4-digit programmable combination lock Number of keys stored: Up to 5 house, car, or padlock keys Compatibility and accessories Compatible with standard keys, badges, and remote controls Includes mounting hardware for permanent installation Supplied with 4 screws Installation Designed for wall mounting