Fingerprint Access : Register 20 Fingerprints in this Cabinet Lock || 0.4 second unlocking speed. Complete Metal : This Smart cabinet lock builts with Metal completely , No plastic. We always ensure the safety for you and your valueable items Wide Range of application: Our smart biometric lock can be widely used in wood furniture, such as wardrobe, drawer, Cabinet and so on. Easy installation. Applicable for Wardrobe thickness from 16 to 28 mm. DIY Installation : This lock is very easy to install, any normal carpenter can install the lock with the help of our installation video also our customer care team will support online thru Calls and Video calls Low Power indication : When battery level goes under 15% lock will give you low power reminder External Power port : if battery drains completely , don't worry , you can give power to the lock externally and unlock your lock with registered fingerprint Safety Tips : We strongly suggest to use Duracell Chota power or Duracell Long Lasting (AAA Alkalines) 3 batteries only for best battery back. 1 Year off-site warranty. How to setup the lock : When you turn on the lock for first time, it will be in default mode which allows anyfingerprint to unlock the lock. To change this mode you need to setup the finger in the lock. To register your finger for first time, kindly touch any finger at the sensor for 6 to 7 sec , first light will blink green and after 6 second it will blink blue , leave that finger and touch the same finger or other finger which you want to add, you have to touch the same finger 5 times to the lock , with every touch light will blink green and lock will make beep sound.