Product Description: Features: Wireless Triggering Function If you use it with YN-560 III, you need to activate the group function of YN-560 III with YN560-TX before you use them together, ( more detailed, you can see our manual. ) If you use it with other Yongnuo flash, like YN-560 II, YN-565EX, YN-568EX ( Manual mode ), you need a transceiver of Yongnuo RF-602, RF-603, RF-603 III. Wireless Shutter Receiver Function You can mount YN560-TX into Camera, use shutter release cable ( LS-2.5mm Series ) to connect it with your camera, and set RF-602, RF-603, RF-603 II in "transceiver" state , and then you can shutter release your cameraand you can also mount one flash into the hot shoe of flash transceiver, it also can be triggered synchronously.Specification: FSK 2.4G wirelss controller, M / Multi Two mode, Remote Control of Flash output and Zoom per group, up to 6 groups, A/B/C/D/E/F, Zoom range: 24-105m, Shutter Interface: 2.5mm shutter interface, Compatible with YN-560III, RF-602, RF-603, RF0603II, 16 Channels, Large and Clear Screen, user friendly interface, 100 meters transmission Range, Battery Type: AA2, Stand-by time: 120hoursSuit for: Yongnuo YN-560III made after January 2013 Yongnuo RF-602 transmitter,RF-603, RF-603 II transceiver Yongnuo YN-560II, YN-468II, YN-565EX, YN-565EX II, YN-568EX, YN-568EX II in manual mode ( You need to use RF-602, RF-603, RF-603 II together) Canon DSLR So far the first batches of 560-TX seem to have a flaw that make waking up from sleep only working on either Canon or Nikon, Yongnuo is thats why having versions for Canon and Nikon separately Package Content: 1 x Yongnuo YN560-TX Manual Flash Controller 1 x Manual (English and Chinese) 1 x Original box