1.QR code verification
2.Open the door with QR code & mobile phone
3.Online verification of QR code validity, supporting offline verification
4.Optional:ID,Mifare card,HID,HID iClass,CPU card, MI card
5.Optional: Support Wiegand output, support use same a reader; optional reader version
6.Optional Ethernet / WiFi/2G/Lora
7.Provide SDK/API development interface