Invisible Smart Lock

【No Lock Hole Exposed】Installed indoors, and no exposed lock hole outside, so no one can get in if they neither don’t have the key nor broke the door.
【Smart Battery System】10%<Batterty Power<30%, The lock will emit a sound and light alarm to remind the battery to change.Battery Power<10%, The lock unlocked itself. You won’t be lockout because of the battery.
【Intelligent Power Saving】Low power consumption, intelligent power-saving design patterns (a pair of a new battery can use around 12 months by turn on and off 10 times a day )
【5 Ways To Unlock】There are 5 unlock ways to choose from, Approved guests can unlock using fingerprint, user password, RFID card, smart app, and Remote Controller.