The product has Wiegand 26/ 34 output when the product is used as a 2d code reader, which can make the traditional access control, lift control, yard products,own the 2d code access function immediately without changing the main controller. And can access legally when it must comply with the rules of the 2d code so that the traditional access control, lift control and yard products have a real CPU system security level at once and reduce system costs greatly. Product Features: *Single-door access control + 2d code scanner engine + the second generation IC card reader *Wiegand 26/ 34 output *2-channel relay output *Voice amplifier and speakers *Off Line to Open Door *Network IP parameters, lock delay, Wiegand 26/34 *Data memory and the ferroelectric memory *Multi Card Reader *RJ45 10 / 100M TCP / IP transmission,WIFI transmission or mobile phone Bluetooth transmission,Supports TCP/IP remote IAP upgrade. *Built-in dual hardware anti-crash watchdog *Docking DEMO Language: JAVA, C#, C++, etc