Features: Specially designed for various Canon DSLR cameras. Adopt 2.4G wireless technology, support wireless trigger to YN862C/YN968C/YN200/YN560III/YN560IV/YN860Li/YN720/YN660/YN685 speedlite; Support wireless shutter receiver of YN622CII/RF605 Series/RF603II Series/RF602-RX. With 16 wireless channels, up to 5 groups(A/B/C/D/E) of slave unit control, transmission range within approx. 100 meters. Support multiple exposure control systems, including E-TTL II/E-TTL Autoflash, Manual flash, Multi flash and Gr flash; Powered by 2pcs AA batteries(not included). Large and clear screen, user friendly keys, easy to operate; Exquisite fuselage design, with quick lock. Specifications: Color: Black; Type: 2.4G On-camera Speedlite Transmitter; Exposure Control System: E-TTL II/E-TTL Autoflash, Manual flash, Multi flash, Gr flash; Wireless Channel: Ch1-16; Slave Unit Control: Up to 5 Groups(A/B/C/D/E); Distance: Approx. 100 meters; Flash Ratio Control: 1:8-1:1-8:1, 1/2-stop Increments; FEC: 1/3-stop increments ±3 Stops; High-speed Sync: Support; Manual Flash: 1/1-1/128 Power(1/3-stop increments); Stroboscopic Flash: Support(1-500Hz); Assist Beam Emitter: Support; Firmware Update: Support; Power Supply: 2 * AA Batteries(Not included); Package Size: 11.2 * 9.1 * 4.5cm / 4.4 * 3.6 * 1.8in; Package Weight: 200g / 7.1oz; Package List: 1 * Flash Transmitter; 1 * Storage Bag; 1 * User Manual; Note: Shutter cable, stand and camera are not included.