[Privacy Protection] More secure! Our lock is definitely your choice to improve the safety of personal items and secrets! It can effectively prevent your files from getting messed up or items from being damaged. [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.