The GODOX XProII is everything that you loved about the original XPro with added functionality. The XPro II supports both TTL auto-exposure and High-Speed Sync (HSS), which enables you to use your flash at shutter speeds up to 1/8000s. The XPro II now features Bluetooth support allowing it to be used in conjunction with the GODOX Flash Smartphone App. This enables you to control the power of your flashes with your smartphone, ideal for situations where the trigger on your camera cannot be easily accessed. With its large screen dedicated group buttons, and user-friendly interface, the XPro II is the perfect trigger for any professional photographer. The Godox XPro II is the perfect update to an already great flash trigger. The addition of Smartphone App control and added compatibility with the Sekonic L-858D Flash Meter with GODOX 2.4GHz module. Along with the other new features such as Scan for the best channel, the XPro II is the perfect flash trigger for photographers that like the larger screen of the XPro, but also want access to the ability to scan for the best channel or want to use their trigger with the smartphone app.