Micnova MQ-WTC40 Wireless E-TTL II Flash Trigger/Shutter Release Combo Kit for Canon EOS 70D, 60D, 50D, 7D, 6D, 5D, 1D, Digital Rebel SL1, T6i, T6s, T5i, T4i, T3i DSLR Cameras (328-foot Range) Wirelessly triggers your Canon EOS TTL flash and/or your camera shutter from a distance 2 Channels, 2.4 GHz Frequency; Range: 328' (100m) Flash Modes: E-TTL (II), Manual, Multiflash Uses AA Batteries (Not included) 1 Year Warranty