... umbrella hole on the receiver for any photo umbrella to put in.Main Features:* Support Canon, Nikon, Sony, Pentax and Olympus camers ... channels to choose;4. Compatible to Canon, Nikon, Olympus and Sony;5. Design for holding an umbrella.Specifications:Frequency: 433MhzChannels: 16Remoting distance ... *AAAGodox Reemix II Series 3-in-1 wireless remote control for Nikon:RM II-N1RM II-N2RM II-N3 Godox RM-II ...