2Pcs Fingerprint Door Locks, Low Power Consumption Smart Fingerprint Door Knob for Office Front Door Garages (Black)

Energy Efficient Design: Operating on just four batteries (not included), the fingerprint ball door knob boasts an impressive battery life of up to 12 months depending on usage frequency. It features a low battery warning system and includes a USB charging port for emergency power needs. With two mechanical keys included, you always have a good backup to unlock your door the traditional way.
Easy Installation: Crafted from excellent, rugged aluminum alloy and zinc, this fingerprint door ball lock can replace most standard door knobs without the need for additional drilling. Its design accommodates doors measuring between 1.2 to 2.56 inches (30 to 70 mm) thick with an adjustable backset of 2.36 or 2.76 inches (60 or 70 mm), compatible with both left and right handed doors, making installation a breeze.
Multiple Unlocking Methods: The smart fingerprint door knob offers three unlocking options, fingerprint recognition, app control, and two backup keys. This versatility allows you to choose the most convenient access method based on your preferences and needs, ensuring you never have to worry about forgetting your keys again.
Rich App Support: Compatible with for iOS devices, the accompanying app enables Bluetooth connectivity for easy management of your smart lock. You can customize settings such as lock volume, silent mode, private mode (Do Not Disturb), and holiday mode. The app also allows you to view unlock logs, add one administrator, and manage over 1,000 regular users with designated access timelines, making it suitable for efficient group management.
Abrasion And Weather Resistant: Designed for maximum security and convenience, the fingerprint door knob lock is constructed from weatherproof stainless steel, allowing it to withstand various weather conditions. Its smooth unlocking mechanism ensures ease of use, making it suitable for residential, apartment, or other private space doors, combining safety and accessibility seamlessly.