The Lockly Secure Pro Zeno Series WiFi Smart Deadbolt Lock PGK728WHKMB is a modern, sleekly designed front door lock suitable for residential use. Made of durable zinc alloy galvanized material, this deadbolt comes in a stylish Matte Black finish. It features advanced security options such as a fingerprint sensor, automatic relocking, and alarm capabilities. With the convenience of Apple Home Key compatibility, voice control with Alexa, Alexa, Apple HomeKit, Google, Google Assistant, Proprietary App, Siri and a delay timer function, this smart lock provides peace of mind and added security for your home.