... as a wireless transmitter and a receiver for studio flash, speedlite, and camera shutter. Featuring multi-channel triggering, stable signal ... , more flexible transmite/receive combinations*Multi-FunctionAs a wireless speedlite triggerAs a wireless studio flash triggerAs a wired shutter releaseAs ... included)Net Weight84g Cells II Transmit & Receive in One (speedlite trigger),1/8000s, High Sync speed