Launch X431 V+ HD III VS HD-II working with X431 V+

What advanced features LAUNCH X431 V+ HD3 module has that HD-II module has no? Good to know HD-II module: compatible with X431 V+, X431 PRO3, X431 PADII etc, only available for Commercial Vehicles. LAUNCH HD-III module : compatible with X431 V+, pad3, pro3 etc, only available for X-431 V+ of Commercial Vehicle Version. Note: Please buy HD-III module instead of HD-II module, because HD-II module is already stop to produce. There are main 3 differences between X431 V+ HD-III module & HD-II module Different 1. HD-III module: in Blue color HD-II module: in Red color launch x431 HD III Scan Tool outlook As the 3rd generation of heavy-duty module,Launch x431 HD iii scan tool works as a vehicle communication interface device, which is used to read the vehicle data and then send it to the X-431 V+ via wireless BT/WLAN communication. The LED indicators enable you to easily identify the working status of the module. 1 DC-IN power jack: For connecting the power adaptor. 2 Diagnostic socket: For connecting the diagnostic cable. LED indicators: It is defined as follows:  Vehicle: While communicating with the vehicle, the indicator lights up and flashes. Otherwise, it will not illuminate.  Power: It illuminates solid red when the module is powered on.  BT: Blue indicates the module is working in wireless BT mode.  I/O: It lights up when the module is connected to the diagnostic tool via data cable (Currently disabled and only reserved for subsequent function extension).  Wireless: It lights up when the module works as a wireless hotspot or network adaptor. Data I/O port: Currently disabled and only reserved for subsequent function extension. HD-II Module outlook As the 2nd generation of heavy-duty module, it mainly functions as a VCI device for accessing vehicle data. LED indicators: It is defined as follows(from left to right):  Power Indicator: It lights up when it is powered on.  Communication LED of Tablet: It illuminates when the module is communicating with the tablet.  Communication LED of Vehicle: It lights up once the module is connected to a vehicle’s DLC.  Communication LED of PC  Data I/O LED Data I/O port Communication Port of PC Diagnostic Socket: To connect the included diagnostic cable. DC-IN power jack: To connect the power adaptor. Different 2. HD-III module: send the vehicle data to the diagnostic tool via wireless Bluetooth or Wlan HD-II module: send the vehicle data to the diagnostic tool via wireless Bluetooth. WIFI module: HLK-RM08K  Frequency range: 2412-2472MHz  Transmit power: 19.29dBm Wireless BT module: YG-218M-A2  Frequency range: 2402-2480MHz  Transmit power: 16.62dBm X-431 V+ is compatible with the following two Heavy-duty VCI modules. For different VCI modules, the communication methods vary. Below shows how the X-431 V+ system works. HD-III module: Besides the BT communication, the LAUNCH X431 HD III VCI module comes loaded with a built-in WLAN module, which can work as a wireless hotspot or a network adaptor. Below shows how the X-431 V+ system works. HD-II module: The HD-II module send the vehicle data to the X-431 V+ diagnostic tool via wireless Bluetooth only.