ML10D is a smart lock with embedded fingerprint recognition technology. It is DIY design, which can replace knob lock easily and quickly. You even can do it by yourself. Function With the new generation fingerprint recognition algorithm Rugged, sleek and compact design German standard mortise with one latch and one deadbolt turnhandle upward to lock the deadbolt for more security Independent clutch motor design under patent protection Idle handle design to prevent from forcible entry Registration data are stored even if there is power loss Handle, lock body and strike is reversible design for all door open direction Infrared sensor–Touch to open Emergency key override (concealed) LED indicator and inbuilt buzzer External terminals to draw back-up power from a 9V battery Low battery warning Normal Open mode Easy to program and easy to use Easy to install–no wiring required 3 user groups – Admin, Normal User and Temporary User Backset is 62mm