4-IN-1 Unlock Ways: FITNATE Smart Door Knob offers four convenient unlocking methods: fingerprint recognition, password entry, App control (compatible with Tuya App), and a physical key. It meets diverse needs and is ideal for use in bedrooms, living rooms, closets, offices, apartments, and more. APP Remote Unlock: FITNATE smart door knob can be operated by APP to unlock the door remotely without a key; you can also share access to the lock to friends, family and others for easy management. 【Convenient Keyless Entry】This fingerprint door lock is a biometric smart lock with remote control, keyless entry, and touch-to-open door knob, making your life easier and more secure. Stylish & Durable Design: The smart lock is crafted from high-quality aluminum alloy, featuring an exquisite streamlined design that ensures comfortable grip when rotating the door handle. The sensitive LED keyboard is clearly visible, making it easy to operate both day and night. 【Easy to Install】FITNATE finger print door knob can be easily installed with a screwdriver in minutes. Note:4 AA batteries are required(batteries not included). This smart fingerprint lock from Secured is the keyless entry solution for your home or office.