YN-560 III Ultra-long-range Wireless Flash Speedlite with Metal Hot Shoe for Canon Nikon Pentax Olympus DSLR Camera(Black) Features 1. Adopt RF-602RF-603 2.4G ultra-long-range wireless flash system Adopted by global users trust the allways RF-602RF-603 wireless flash system. Support 2.4G ultra-long-range wireless flash, the lead flashing distances up to 100 meters above. 2. Full support for RF-603, RF-602 wireless transmitter Same YN560-III can accept RF-603 and RF-602 wireless transmitter emits a signal, supports 16 channels, wireless flash easily. 3. Large-size LCD display The the YN560-III is equipped with large-size LCD screen, easy clear, intuitive view or set the flash of the function, and easy to use. 4. equipped with power zoom function Zoom button, you can make a lamp covering a focal length between 24 ~ 105mm cycle movements. 5. GN58 @ ISO100, 105mm High index 2.4G radio flash support M Multi mode. 6. Various trigger synchronization, flexible The YN560-III can be triggered by the camera-top, 2.4G radio trigger, S1 and S2 to avoid the pre-flash-sensitive trigger. 7. Equipped with an external power outlet The YN560-III is equipped with an external power outlet, to meet your higher demand for call back speed. 8. Equipped with a PC sync port The YN560-III equipped with a standard PC synchronous port, using a PC sync cord flash sync flash. 9. Voice prompt system Open to the voice prompts, the flash voice prompts work state, so you can focus on the creative process (Note: the sound can be turned off). 10. Speeding call back system Full light output recycling time of just three seconds, even without using the new battery, but also to get the speed of call back experience, only 4 to 5 seconds; You can also use external charging box call back again accelerated. 11. Advanced Options settings The YN560-III with Advanced Options settings according to their needs, you can customize the flash function. 12. Automatically save set The YN560-III can automatically save your current