The Smart Lock Ultra with Keypad and Fingerprint Door Lock is constructed with a robust zinc alloy housing and a reinforced stainless steel deadbolt, offering resistance against corrosion and physical tampering. The exterior touch pad features a scratch-resistant tempered glass surface, while the capacitive fingerprint sensor is embedded beneath a durable coating to maintain sensitivity over extended use. The internal WiFi module is integrated directly into the lock body, eliminating the need for a separate hub and reducing latency in remote commands. Hardware specifications include a 1080p optical fingerprint reader with a false acceptance rate below 0.001% and a response time of approximately 0.3 seconds. The lock mechanism is certified for ANSI Grade 2 security standards, ensuring structural reliability for residential and light commercial applications.

Functionally, the device supports multiple access methods: fingerprint recognition, a backlit numeric keypad, a physical key override, and a dedicated mobile application for remote control. The auto-unlock feature utilizes geofencing and Bluetooth proximity detection to disengage the deadbolt when the user approaches the door, based on calibrated signal strength thresholds. Built-in WiFi enables real-time status updates, guest passcodes, and event logs through the companion app, with integration via cloud API into Amazon Alexa and Google Assistant ecosystems. The lock’s firmware is designed to maintain stable operation under fluctuating network conditions, with automatic reconnection protocols and encrypted data transmission. The product is rated IP65 for water and dust resistance, making it suitable for exterior doors exposed to rain, humidity, and temperature variations from -4°F to 140°F (-20°C to 60°C). Installation is straightforward, fitting standard US door preparations with a 2-3/8 or 2-3/4 inch backset and a thickness of 1-3/8 to 2 inches. Included mounting hardware and step-by-step instructions allow for completion without professional assistance in most cases. Quality control processes include individual unit testing for fingerprint sensor calibration, WiFi connectivity range, and deadbolt motor torque before packaging. At a suggested price of $168, this combination lock offers a cost-effective alternative to separate smart lock and keypad systems, consolidating functions into a single unit without sacrificing performance. The materials and build quality support long-term durability, while the range of access options accommodates diverse user preferences. For households seeking a reliable smart entry solution with voice assistant compatibility, this model provides a balanced mix of security, convenience, and value.