Shutter Release for Alzo Flip Flash Bracket (Black)- Includes Canon Eos Pro 3 Pin Connector The Shutter Release puts all the necessary controls in your hand and firmly attaches to the ALZO Flip Flash Bracket handle with included hardware; 2-step shutter action for pre-focus and metering AEL, with positive click feedback action on shutter release Compatible with Canon Pro SLR with 3-pin connector; coiled cord stretches up to 18 inches Compatible camera models are all 1D, all 1Ds, 6D, all 7D, all 5D, 10D, 20D, 30D, 40D, 50D, older D30 and D60; please check the connector on your camera to assure that your camera has the proper connection for the 3 pin plug shown here