Suitable Steel Door,Wooden Door,Brass Door,Stainless Stell Door,Other Ways To Unlock APP,Mechanical Keys,Finger Vein Recognition,Card,WIFI,Password,Fingerprint The fingerprint identification is added with grove guiding design ,which makes the hand feel more comfortable It has the openning ability of anti magnetic and electric field technology to prevent coil from unlocking and effectively improve the safety of locks Every time the fingerprint is unlocked,the chip will continuously reduce the rejection rate and improve the pass rate through fingerprint splicing,image recognition, and self-learning algorithms, Manufacturer: CCZRD