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.