VDM have two connection ways

Choose USB when connecting with cable, and under demo mode. Choose WIFI when testing wirelessly, and use the software before connecting VDM with cars.

WIFI Setting:
 1.Connecting VDM with cars.
 2.Waiting for 10s, then running ucandas.exe software.
 3.Reading system information of VDM.

Product features

  • Supporting ISO 9141-2, K/L line, SAE-J1850 VPW, SAE-J1850 PWM, CAN ISO 11898, ISO15765-4 protocols.

  • High-speed, medium speed and low speed CAN-BUS, Single CAN-BUS diagnosis protocols is supported.

  • Can check out the year and model of the vehicles automatically and quickly.

  • All inclusive software coverage : European, American, Asian and Australian prevalent vehicles.

  • OBDII diagnostic connector has a wide compatibility, which don’t need to replace other connector, during the testing.

  • Hardware architecture uses a new design with multiple protection, interference and stability. Built-in overvoltage protection module is applied, in order to protect scanner and vehicle against accidental damage during checking.

  • Can work stably in high and low temperature environment, and work well.

Hardware introducation


  • MCU: ARM7 processor, 66MHz

  • Input Voltage: DC 8-18V

  • Communication Mode: USB and WIFI

  • Storage Temperature: -30 to 120 ºC(-22 to 248 ºF), Relative Humidity: <90%

  • Operating Temperature: -10 to 70 ºC(14 to 158 ºF), Relative Humidity: <90%

  • Unit Weight: 500g (GW)

  • Dimension: 137mm*175mm*63mm


One year free for VDM Hardware replacement and lifetime maintenance.

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