Protect your drawers, cabinets and almirahs from unauthorized entry. The Ozone Furniture Lock is a condensed, digital furniture lock. It can be utilized for cabinets, almirahs and drawers Master & User PIN Code Access: Makes you the sole guardian of the valuables inside the drawer; a 4-15 digit code can be entered for PIN- both User & Master PIN Code. Wood Thickness: Suitable for 11-14mm Automatic Locking: Once the drawer is shut, the lock is automatically engaged even if it is not engaged manually Public Mode: Keeps your drawer unlocked when you have guests over, or when you need to operate the contents of the drawer frequently Scramble PIN Code Technology: Enter any number with 16 digits, and the lock will unlock as long as the correct password is included in its original sequence Micro USB Port: USB External Battery Power Backup option if the battery runs out