Face, APP, Fingerprint, Password, Mechanical key, Card;? FPC fingerprint reader gives you the best security experience, One touch to unlock;?
With the newest automatic technology to free your hands;? When the battery is dead, it can be charged in an emergency through the USB port;? Suit for Lots of door type: Wooden door, stainless steel door, bronze door, Double door, Old-fashioned security doors.7.4V lithium battery 4200mAh(Included the package).