This 3-in-1 remote controller incorporates functions of studio flash triggers, speedlite triggers and remote shutter releases into one, enables you to control studio strobes, flashguns and cameras only by ONE.

Specifications:
Working distance: within 100m
Transmit frequency: 433MHZ
Channels: 16
Battery for transmitter: 12V23A
Battery for receiver: 2XAAA
Synch speed: 1/250S