YouPro MC-292 N3 2.4G Wireless Remote Control LCD Timer Shutter Release Transmitter Receiver 32 Channels for Canon 7D 7DII 6D 50D 5DIII 5D 5DS 5DSR 40D 30D 20D 10D 1D 1DS 1DX 1DS Mark II 1DS Mark III 1DS Mark IV EOS-1V