... Speed SyncGroup Control:3 different groups(7 different combinations)Function:King su pports flash zooming, focal length,ISO,shutter speed,FV ... battery)6. Color:Black7. Weitht:36.47 oz / 299 g8. King Receiver Size:3.46 x 2.20 x 1.46 ... x 3.7 cm(L x W x H)9. King Transmitter Size:3.46 x 2.20 x 1.61 ... x W x H) Package includes:1 x Receiver1 x King Transmitter1 x USB 2.0 Cable1 x PC-3.5Connecting ...