1You can add IC card, face recognition and scan QR code to open the door by setting. 2The access control has a built-in doorbell, and it is also an intelligent robot to set appointments to visit, publish advertisements and notifications. 3Support 2.4G wifi network and 5G network, simple and convenient to use. 4You can set the access control to conference mode, which is the necessary multifunctional access control machine for modern office. 5The administrator password is 123456 by default, making it easier to add / remove users. 6Extremely simple appearance design, using ABS material, high strength for maximum durability. 7Using professional lithium battery adapter, more stable and safe for your use.