Ⅰ. Compact combination key box-safe, made of aluminum alloy and PVC material, resistant to rust, corrosion, cutting or any other damage, will ensure long-term use and reliable key storage. Ⅱ. Specifications: External dimensions: 11.5 x 9.5 x 4 cm. Internal dimensions: 9.6 x 8.5 x 3 cm. Material: aluminum alloy + plastic. Wall-mounted. Resistance to water, dust, rust, sunlight. Color: black/gray. Weight: 0.290 kg. 4 mounting screws and glue are included. Ⅲ. Easy installation and use: the kit includes all the necessary installation hardware, consisting of 4 mounting screws and 4 nylon dowels. You can also simply stick the box to the desired surface with the adhesive included in the kit. You can choose the 4-digit box code from 10,000 possible different code combinations. The lock is easy to set and change if necessary. Ⅳ. Capacity: the coded key box holds up to 5 pcs. house or car keys, as well as bank cards, USB memory sticks. Ⅴ. The design of the coded key box fits into home or office interior, giving your space both functionality and style. The box does not take up much space, ideal for use both indoors and outdoors at entrances or anywhere else where you want to safely store and easily access keys.