eufy Security Retrofit Smart Lock+Wireless Keypad Wi-fi Fingerprint Anker Model R20 New Introducing the eufy Security Retrofit Smart Lock+Wireless Keypad Wi-fi Fingerprint Anker R20, a top-of-the-line smart door lock that guarantees your home security. This lock is designed with a silver color and is perfect for those who want to add a touch of elegance to their home decor. It is a fingerprint and biometric smart door lock that uses Wi-Fi to connect to the internet. The eufy Security Retrofit Smart Lock+Wireless Keypad Wi-fi Fingerprint Anker R20 is perfect for those who want to keep their home safe and secure. With its advanced features, this smart door lock is ideal for use in any home. It is easy to install and comes with a wireless keypad that allows you to unlock your door from a distance. The lock is also designed with a fingerprint and biometric sensor that ensures only you have access to your home.