Major function:
						◆ The head of MK420 can be adjusted from many degrees to fit different situation, except including TTL, it also includes the fuctions of S1/S2, it includes LED light, which can help to focus and make the video.
						Support to:
						◆ TTL
◆ S1 mode
◆ S2 mode
◆ Manual mode
◆ Multi flash mode