[Privacy Protection] More secure! Our lock is definitely to improve the safety of personal items and secrets! It can effectively prevent your files from messed up or items from being . [Wide Application]Our lock can be widely used in wood furniture, such as wardrobe, drawer, Cabinet, storage boxes and so on. [Energy Saving]3 x AAA batteries, can work for 3 years! (please notice battery is not included parcel) [Emergency Unlock]Don't worry if the lock is suddenly out of battery, you can charge it by USB cable [USB Key]You can remove all fingerprint record in some special situation quickly by this USB key Power Supply: 3 x AAA Battery ( Not included ) Colour:Black Material:ABS Package Contents: 1 set x drawer lock (without battery) Only the above package content, other products are not included. Note: Light reflection 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.