Upgrade your home or office security with the JBDZ Smart Door Knob Biometric Fingerprint Door Lock with Keypad App Control YL-98. This electronic lock system features a smooth satin finish and is suitable for a variety of doors, including front entrances, interior doors, and security doors. I

The lock is easy to install and compatible with both iOS and Android versions. It also features simultaneous locking, self-closing, and low voltage alarm functions. The lock operates using a 4x AA alkaline battery (not included) and has a 5V USB socket for emergency power supply. With its sleek design and advanced features, the JBDZ Smart Door Knob is the perfect solution for your security needs. Doorknobs were used for an Air BnB home for multiple/individual rooms. They are in like new condition.