Groups4 Groups A, B, C, D Transmitter battery2 x AA Batteries Attachment1/4 tripod lug Dimensions92(L) x 46(W) x 41.5(H) mm Channel16 Channels RangeApprox. 150m Frequency2.4GHz Transmitter Weight65g (exclude batteries) Max sync speed1/250 sec* OutputHot Shoe DisplayLCD
