SECURE DESIGN: Features a robust 4-digit combination lock system with a backup key access for emergency situations MOUNTING SYSTEM: Wall-mounted design with pre-drilled holes and mounting hardware for secure installation on various surfaces CONSTRUCTION: Durable metal housing with weather-resistant silver faceplate and black exterior finish for lasting protection STORAGE CAPACITY: Spacious interior compartment accommodates multiple keys, access cards, and small valuables VERSATILE USE: Perfect for residential homes, rental properties, offices, and businesses requiring secure key management EXTERNAL DIMENSIONS: 15 cm (H) x 9.5 cm (W) x 4.0 cm (D) INTERNAL DIMENSIONS: 9.2 cm (H) x 8.0 cm (W) x 3.0 cm (D)