This smart door knob lock combines keypad, fingerprint, app, and keycard access in a single compact unit designed for both indoor and front door use. Constructed with a sturdy zinc alloy shell and a brushed metal finish, it offers reliable durability while maintaining a sleek, modern aesthetic. The fingerprint sensor employs semiconductor technology for quick, accurate recognition, supporting up to 50 user fingerprints. The backlit keypad allows code entry with customizable access codes, and the accompanying mobile app (via Bluetooth) enables remote management of users, temporary codes, and access logs.

Additionally, it supports RFID keycards for convenient entry. The no-drill installation design uses standard door prep holes, making setup straightforward for most standard doors without the need for professional tools or modifications. The lock is powered by four AA batteries, with a low-battery indicator and a micro-USB emergency power port. Its operating temperature range covers typical indoor environments, and the lock mechanism is engineered for smooth, quiet operation. Suitable for bedrooms, home offices, rental properties, or front doors, this lock provides versatile entry options without compromising security. The key override offers a backup mechanical access method. With its affordable price point, it delivers a practical smart home solution for enhancing convenience and access control.