YN-560 IV Flash Speedlite is a combination of YN-560 III and YN560-TX,, it has built-in wireless trigger system, so you can not only use it as flash speedlite, but also a flash controller Transmitter.
- TX Master Flash mode:
- When you set up YN-560IV as TX mode, it can be used as a flash controller transmitter, it can trigger YN-560 IV ( RX mode )and YN-560 III ( RX mode ), and also can be used with RF-602, RF-603 II, RF-605 together.
- RX Slave Mode:
- When you set up YN-560IV as RX mode, you can use it with YN560-TX flash controller, and RF-602, RF-603 II, RF-605 single transceiver.
- Manual mode
- Multi mode
- S1 / S2 mode --- You should use those two modes off camera
- Power saving mode
- Overheating Protection
- Manually set and zooming position
- PC Synchronous Port