NEEWER Upgraded QPRO-C TTL Wireless Flash Trigger Compatible with Canon 1/8000s. New Open Box. Supports TTL automatic flash, flash exposure compensation (FEC), high speed sync, stroboscopic flash, manual flash, group modeling lamp control, group zooming, single point triggering, and simultaneous output value adjustment. Wirelessly trigger camera flashes, outdoor flashes, and studio flashes with NEEWER's built in wireless Q system (NEEWER Q4, Q3, Z1-C, Z760-C, NW420-C, NW655-C, NW665-C, S101-300W/400W Pro), and can control other flashes or camera shutters without a built in Q system (requires a NEEWER QR receiver and a 2.5mm sync cord, all sold separately). Works as the main control unit and can remotely control and trigger multiple slave units up to 5 groups, 32 channels, and 01-99 wireless ID settings. Compatible with Canon EOS R6, R5, R3, R, M6, 850D, 800D/T7i, 760D/T6s, 750D/T6i, 650D, 600D, 7D Mark II, 7D, 6D Mark II, 6D, 5D Mark IV/III/II, 1D Mark III, 1DX, 550D, 500D, 450D, 90D, 80D, 70D, 60D, 50D, 1100D, 77D, SL3/250D, T7/1500D, 2000D, T100/3000D, 4000D.