1, Easy Installation: Installing this smart lock is quick and easy, taking just minutes with a screwdriver. It fits standard door holes of 2-1/8″ and door thicknesses between 1-3/8″ and 2-3/16″. Simply measure your door before purchasing to ensure compatibility. No professional help is needed, making it a great choice for homeowners or DIY enthusiasts looking to enhance security with minimal effort; 2, Secure Unlocking Options: This lock offers multiple unlocking methods: fingerprint, passcode, IC card, smartphone, and key. Fingerprint recognition takes just 0.3 seconds, unlocking your door in 1 second for fast and reliable access. These multiple options ensure top security, and the lock operates flawlessly, providing peace of mind for you and your family with every use; 3, Versatile Features for All Needs: Perfect for homeowners, Airbnb hosts, and businesses, this lock lets you generate and share temporary passcodes remotely. It offers flexibility for short-term rentals, commercial properties, or personal use. With this feature, you can manage guest access efficiently, ensuring control over who enters while maintaining high security in any scenario; 4, Smart Remote Control: Integrate this lock with Hey Google and Amazon Alexa for remote locking, password management, and access logs. You can control the lock from anywhere, whether you're home or away. The system keeps keys offline to ensure security and prevent unauthorized access. It's a reliable, convenient way to monitor and manage your lock with ease; 5,Long Battery Life and Emergency Features: Powered by 4 AA batteries, this smart lock offers over 9 months of usage. It includes low-battery alerts, so you know when it's time to replace the batteries. Additionally, an emergency charging port ensures you never experience downtime. The included TTlock app provides lifetime access, making sure the lock remains operational and reliable for years.