Features: "Three in One" function Transmitter is powered by two AAA batteries 16 channels to ensure the work with no interference Compatible with high voltage flashes Designed with the maximum remote control distance of 120 meters, and the maximum sync speed of 1/250 seconds Compatible with Canon EOS 1100D(T3),1000D (XS), 650D(T4i), 600D(T3i),550D(T2i), 500D (T1i), 450D (XSi), 400D (XTi),350D( XT), 300D, 300V, 300, 60D, 60Da, 50E, 50, 33, 30, 7D, 50D, 40D, 30D, 5D, 20D, 10D, 5D Mark III, 5D Mark II, 1D X, 1D C, 1D Mark IV, 1D(s)Mark III, 1D(s)Mark II(N), 3000¡­etc. Compatible with all 2.4G Aputure triggers Specifications: Frequency: 2.4G FSK radio signal Range: 120 meters (open area) Channels: 16 Sync-speed: 1/250s Continuous-shot frequency: 8fps Transmitter Dimensions: 76x33x27mm Receiver Dimensions: 71x38x32mm Package includes: 1 * Transmitter 1 * Receiver 1 * Studio Strobe Sync Cable 1 * PC Sync Cable 1 * 1/8" to 1/4" Jack 1 * User Manual