... , 500D, 450D, 400D, 350, 300Dand Canon Original Flash 580EXII, 430EXII, 580, 430 also support to other brand camera or speedlights and studio ... ' function. Specification Wireless Frequency System:FSK2.4GHz Operating Distance:up to 200m Shutter Sync Speed:1/200S Group setting:3 difference ...