ST-IV+ 2.4GHz Wireless Flash Light Trigger With App Control (XPro II)


The Pixapro ST-IV+ Wireless Flash Light Trigger with App (Godox XPro II) is everything that you loved about the original ST-IV with added functionality. The ST-IV+ 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 ST-IV+ 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 through app control, 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 ST-IV+ is the perfect trigger for any professional photographer.  This trigger is available for Canon, NikonSonyOlympus/Panasonic, and Fuji (Also available for Leica).


Compatible Cameras:

Canon EOS cameras (E-TTL II autoflash), Nikon Cameras i-TTL autoflash), Sony Cameras (TTL autoflash, Olympus/Panasonic (TTL autoflash), Fujifilm (TTL autoflash), Other cameras Via PC-Sync Socket
Power Supply:
2x AA Batteries

Flash Exposure Control

TTL Autoflash:
Manual Flash:

Stroboscopic Flash:


High-Speed Sync: ✓ (Fujifilm, set on camera)
Second Curtain Sync:
✓ (Fujifilm, set on Camera)
Flash Exposure Compensation:
±3EV (exposure value), adjustable in 1/3-Stop increments
Flash Exposure Lock:

Focus Assist:

Modelling Lamp Control:
Turn the modelling lamp on or off via the trigger
Beeper Control:
Turn the flash-ready tone on or off via the trigger
Wireless shutter:
✓ (Requires ST-III receiver and shutter release connecting cable)
Zoom Setting:
Adjusable zoom from Auto or 24-200mm (with flashes that support zooming)
TCM Function:
Transform TTL into a manual setting
Firmware Upgrade:
Via USB Type-C Port
Memory Function:
Settings will be stored 2 seconds after last operation and recover after restart
Large LCD panel backlighting On or Off

Wireless Flash

Transmission Range: 0-100m
Wireless Transmission:
Modulation Mode:
Wireless ID:
OFF, 01-99
5 or 16


Dimensions: 95x62x49mm
Net. Weight:

What’s In The Box:

1x ST-IV+ 2.4GHz Flash Trigger