NX1 —— Plus Keyless Entry Smart Door Lock with Doorbell（black）

  Description Door Bell Ring Function When Door Bell Ringing，you can know the visitor comes.No need to buy a extra door bell. Private Button Function NX1 Plus Smart lock provides enhanced security when you enable private lock from inside, Only admin user can access. Turn on the Private Button ,the lock can not unlock and the room can not access.. Turn off the Private Button,the lock can unlock and the room can access. Emergency Power When lock power runs out, you can charge by connecting a power bank via USB cable. NX1 Plus is the updated version for NX1 Model.It has new functions ,such as Fingerprint Reader Handle ,Doorbell, Private Button, Built-in Alarm Speaker. It will offer more functions and convenient for users. Support Virtual Password Ensures that strangers can’t steal your password by watching you nearby when you enter the password. Type random digits and can still gain access as long as One correct password.