The smart retina doorlock is more than a doorlock, but also serves as a camera which can shoot videos and take pictures of any abnormal lingering. It boasts a variety of access methods to cater to different lifestyles, including NFC, passwords, fingerprint and card. It enables you to have video and bi-directional communication with visitors via Wulian Smart Home App. When linked to smart home system, it can also perform as a trigger to activate the "Home Scene" with just one control button when you come home from work.