YouPro YP-870/N3 Wireless Shutter Timer Remote for Canon EOS 50D, 40D, 30D, 20D, 20Da,10D, 7D, 6D, 5D Mark III, 5D Mark II, 5D, 1DX, 1Ds, 1Ds Mark III, 1Ds Mark II Delay Release Function Multi-Exposure Mode Long Exposure Control LED Indicators--Pre-Focus & Exposure