Easy To Use: This key lock box has 4 kinds of unlocking methods, fingerprint, password, IC card and keys. Compared with the Mechanical key box, it is more secure smart and has more unlocking methods. Shared Use with Family: Smart key boxs can be set up to 100 fingerprints and 100 passwords, which can be shared with family members. Convenient for the elderly, children and forgetful people at home. No longer need to worry about losing their keys, your finger is the key. Outdoor Weatherproof and Waterproof Key Lock Box: Fueled by 4 AAA batteries(Not Included),With low battery alarm, temporary password, built-in doorbell functions. Also the key box is made of zinc alloy, sturdy and strong. It also has IP66 waterproof function, and the working temperature can reach -20℃~60℃, even in the wet, low temperature outdoor can be used. Wide Application: Our key box scene is widely used and applicable to a wide range of people. Hangable and wall mountable key box, very easy to install for outdoor use, suitable for home entrance, office buildings, stores, apartment rental, housekeeping services. After-sale Guarantee: We promise, if there is any problem because of the quality of the product itself, the package will be returned and exchanged. If you have more questions, feel free to contact us!