Exposure control system

TTL auto flash， manual flash， stroboscopic flash

Channel

Ch.1-8

Wireless radio ID

1-30

Slave unit control

Under every channel control 3 groups of slave unites

isolate(A， B， C)

Transmission distance

25m/82'

Flash exposure compensation(FEC)

±3stopsin 1/ 3 increment

Highspeed sync

up to 1/8000s

Manual fi ash

Output control range from 1/1-1/128(in 1/3EV increment)

Stroboscopic flash

up to 20 Flashes， upto30Hz Frequency

AF assist beam emitter

Yes(applicable to a few models of cameras)

Firmware update

Yes

Power Source

Two A A battery(not include in the package)

Size

9*5.6*4cm

Weight

105g