About this item. WIDE APPLICATION: - This is an excellent code key box for storing keys and bank cards, etc. It can be wall mounted for home, office, warehouse, vacation home or anywhere you need it. You can share spare keys with friends, family, neighbors and caregivers. With this lockable outdoor key safe, you don't have to worry about keys you have hidden under the carpet. HIGH SECURITY: - Our key wall safe is made of high quality aluminum alloy body and durable steel locking mechanism, which provides extra strength to the exterior key box to resist hammering or drilling attacks. Weather-resistant metal material can keep your keys and cards safe. RELIABLE 4-DIGIT COMBINATION: - WACCET uses a 4-digit combination to provide robust protection. The 4-dial combination key safe offers up to 10,000 different combinations, is much more than 3-digit models, is also harder to crack. It is easy to redefine the desired combination any time, wihic makes your valuables safer. (Note: take a picture/write it down to save your code ). MINI SIZE & EASY USE: - External size (H x W x D): 3.7 x 2.95 x 1.37 inches, Internal Size (H x W x D): 3.2 x 2.75 x 1.1 inches. The palm-sized secure key box comes, which can hold multiple keys, perfect for daily business, friends, relatives, home services, pet sitters, real estate business and Airbnb rentals, etc. EASY TO INSTALL: - The key code box is delivered with instructions in 5 languages and an assembly kit. Only 4 simple taps to complete the installation: Draw the outline of the screws Drill the holes Nail in the expanded plugs Install the box using screws. You can give this exterior code key box as a gift to your parents living alone or children living in a rented house, which is convenient for them.