Semiconductor fingerprint technology,AI smart fingerprint algorithm,the fingerprint recognition,is more accurate and fast. 1 Hold to Unlock,Fast Unlock Without Key,Press down the handle to open the door in 1 step without waiting.The fingerprint identification area, is added with grove guiding design ,which makes the hand feel more comfortable. Free Handle Design,Prevents Violent Unlock,Prevent malicious pressing on the handle, damage the internal structure and prolong the service life of the motor. Virtual Password |,Anti-peeping Unlock,Anti-peep virtual password, enter it casually，as long as 1 of them is correct, Safe and Reliable. To Prevent Electromagnetic Attack,It has the openning ability of anti magnetic and electric field,technology to prevent coil from unlocking and effectively improve the safety of locks, Manufacturer: DMETE