New Security Smart Door Lock，use fingerprint ,password,card to unlock

TOKING SMART Door-HOTEL LOCK can replace by 99% of mechanical door handles, which is     
very convenient to install. Can also fit and install in narrow bezel door,simple beauty but strength.
Integrated fingerprint, bluetooth ,mechanical keys and power system into handle make smart lock
lighter and more pretty.At the same time, the highly integrated clutch structure increases the stability
of the electronic circuit board and reduces manufacturing costs.