SOLID CONSTRUCTION: This lock box for house key is made of strong and durable aluminum material, sturdy and built to last. The all-metal high-strength construction provides reliable security, resistant to breaking, prying, or tampering. The protective waterproof cover helps shield against water and dust. EASY TO INSTALL: Easily mount the key lock box outside on a wall or door using the included mounting hardware. No power source required. EASY TO SET CODE: Remove the inner white plastic cover, turn the dials to set your desired combination, 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 agents. Provides convenient access for children after school, guests, emergency entry, or service personnel such as gardeners and cleaners. Color: Dark Gray Material: Aluminum Size: 105 x 65 x 48mm Package Contents: 1 x Key Lock Box 4 x Expansion Tubes & Screws 1 x Key Tool 1 x English Manual Note: Only the items listed above are included. Other products are not included. Note: Lighting and display differences may cause slight variations in color. Measurement may vary by +/- 1-3cm.