[High security key discount] The key box is made of high-quality aluminum-zinc alloy, which is corrosion-resistant, meets the highest quality standards, and is strong enough to withstand impact, sawtooth and pressure. Even if installed outdoors, the key card can withstand wind and sunshine, ensuring long-term use. [Mini and portable dimensions] External dimensions: 7.5 x 3.5 x 9.5 cm/2.95 x 1.38 x 3.74 inches, and internal dimensions: 7.0 x 2.9 x 8.3 /2.76 x 1.14 x 3.27; The wall-mounted key box is small in size and compact in design, which can ensure large capacity, but occupies less installation space. Better meet your individual needs.[Easy to use] The key box on the wall includes all necessary installation equipment, namely four screws and four nylon expansion scaffolding, as well as the instruction manual. Just insert the plastic screws and the expansion pin, pierce the wall or other hard surface, and make sure that the box is firmly fixed. This key lock box is a resettable combination lock with 4 dials, which can provide 10,000 custom combinations.[Application of Password-key Safe] With this 4-digit safe, you or others can access the key anytime and anywhere, which is very suitable for daily activities, family service, emergency entrance, animal care and real estate business. Please save the password in your own way. Otherwise, if the code has been forgotten, the key safe will not be opened again.[Practical and ideal gift] With the key box, you don't need to store your keys near the door or under items that are dangerous to your house. Just open the padlock with the correct password in a few seconds and save time to find the key in your pocket. The safe wall-hung key box has a simple and classic design, black and silver for your reference, which will be a good gift for your family or friends.