Features:Support PC port triggering strobe flashes and support 1st, 2nd curtain,HSS(Super Sync).Support LCD Live view triggering.Support good-speed continuous shooting trigger.Settings saved automatically.Compatible with ALL YongNuo, Canon EXII series flashes.Support single-contact of camera

Features:Support PC port triggering strobe flashes and support 1st, 2nd curtain,HSS(Super Sync).Support LCD Live view triggering.Support good-speed continuous shooting trigger.Settings saved automatically.Compatible with ALL YongNuo, Canon EXII series flashes.Support single-contact of camera & flash triggering.(max sync speed is 1,250s)Compatible with:For Canon 5D Mark II, 5D Mark III, 1Ds Mark III, 1D Mark IV, 1D Mark III, 7D, 60D, 50D, 40D, 450D, 500D, 550D, 600D, 650D, 1000D, 1100D. (The EOS DSLR camera with external flash control menu)For Canon 5D, 10D, 20D, 30D, 300D, 350D, 400D, 1D, 1D Mark II. (The EOS DSLR Camera without external flash control menu)For Canon 600EX (RT), 580EXII, 430EXII, 320EXII, 270EX(II) and for YongnuoYN-568EX, YN565C, YN-468C(II), YN-467C(II), YN-465C(Support wireless remote control through camera menu)Note: 430EX, 550EX and 580EX or other parts of flash is not supported remote control via the camera menu, you need to manually set the flash parameters.Specifications:System type: Digital FSK 2.4GHz wireless transceiverDistance: 100mChannel: 7Flash mode: E-TTL(II), manual flash, multi flashSync mode: 1st curtain, 2nd curtain, hi-speed syncGroups: 3 groups(A,B,C)Sync speed: 1,8000sInput: Hotshot(TTL, main contact)Output: Hotshot, PC portApplicable battery: 2 * AA battery(Support 1.2V rechargeable battery) (Batteries not included)Standby time: 60 hoursPackage size: Approx. 12 * 11 * 5cm , 4.72 * 4.33 * 1.97inPackage weight: 234g , 8.25ozPackage includes:2 * Transceiver1 * User manual