【High Guide Number, Fast recycling Time】GN60@ISO100, 200mm, support M、Multi support 2 flash modes, support set-top, radio master mode, radio slave mode, wireless optical slave(S1, S2) trigger mode, the zoom range is 20/24/28/35/50/70/80/105/135/200mm 【Lithium Battery System】2000mAh large capacity lithium battery, the number of full power flash is up to 600 times, with built-in overcharge protection, short circuit protection, overheat protection circuit and Type-C direct-charging design, It takes only 1 second recycling time for full power output with fully charged battery. 【2.4G Wireless Flash Trigger】Fully compatible with Yongnuo radio transmission trigger signal of YN650EX-RF/YN720/YN685/YN685II/YN685EX-RF/YN650EX-RF/YN560IV/YN660/YN560III/YN560 TX/RF605/RF603/RF602, there are 16 channels available for choice, the effective trigger distance is up to 100m. 【Supports Radio Transmission Master and Slave Function】Realizes 6-group Flash Control Function Easily. When used as a master control unit, the YN730 can control the flash mode, brightness and focal length of up to 6 subordinate units. When used as slave unit, YN730 can receive the radio transmission trigger signal from Yongnuo YN730/ YN685EX-RF/YN650EX-RF/YN560 IV/YN660/YN560TX/RF605/ RF603/RF602. 【Compatible】YN730 is compatible with DSLR and mirrorless cameras equipped with standard hot-shoe, such as: Canon, Nikon, Sony, Fujifilm, Pentax, Olympus.