Key Lock Box, 4 Digit Combination Lock Box, Wall-mounted Key Lock Box, Indoor/Outdoor Waterproof Lock Box, A/B Switch with Reset Code, Household Spare Key Lock Box, 5 Capacity Durable material-This key lock box uses aluminum alloy, waterproof and weatherproof strength balance. Protect your keys from damage by drill bits, hammers, saws and other means. Metal structure body-locking mechanism. The key lock box can be used for homes, vacation rentals, businesses, real estate offices and warehouses Simple installation-The wall-mounted key lock box has four screws, which can be installed in many areas for home, vacation rental, businesses, real estate, offices, gyms, hospitals, schools, and warehouses. Colour: gray Material: aluminum alloy + plastic Size: 116 x 90 x 38mm Package Contents: 1 x key lock box 4 x screws 4 x expansion screw tubes Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.