Flash Modes: TTL Auto Flash, M Manual Mode, Stroboscopic Mode, S1/S2 Optical Trigger. Wireless Functionality: Supports wireless TTL master/slave modes. For Nikon:D7100 D5300 D5100 D5200 D5000 D3500 D3300 D3200 D3100 D750 D810 D800 D800E D500 D5500 D700 D610 D600 D 300S D300 D200 D7000 D90 D80 D3000 D5000 D550.
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