SOLID CONSTRUCTION: This lock box for house key is made of strong and durable aluminum material, sturdy and long-lasting. The all-metal high-strength construction provides reliable security, resistant to breaking, prying, or tampering. The protective waterproof cover helps guard against water and dust. EASY TO INSTALL: Simple to mount the key lock box outside on wall or door using the included mounting hardware. No power source required. EASY TO SET CODE: Remove the inner white plastic cover, turn the screws to set your desired code, then replace the cover. The combination code is changeable to suit your needs. WIDE USE: This key lock box is versatile and ideal for storing keys or small items indoors or outdoors. Suitable for apartments, offices, warehouses, garages, and more. Perfect for homeowners, family members, landlords, vacation rentals, property managers, and real estate professionals. Provides convenient access for children after school, guests, emergency entry, gardeners, cleaners, and others. Color: Dark Gray Material: Aluminum Size: 105 x 65 x 48mm Package Contents: 1 x Key Lock Box 4 x Expansion Tube & Screws 1 x Key Tool 1 x English Manual Note: Only the items listed above are included. Other products are not included. Note: Lighting reflections and differences in display screens may cause slight variations in color. Measurement may vary by +/- 1-3cm.