JYC Wireless / Cableless Infrared Remote Controller / Remote Shutter, for Canon, Nikon, Pentax, Konica, Minolta cameras with infrared port, Mod. RC-M4 Multiuse cableless remote shutter, infrared, usable for different brands Canon, Nikon, Pentax, Konica and Minolta, for cameras with infrared port Infrared: you must activate the function for infrared remote control in your camera settings. For detailed instructions, please refer to your camera manual! Battery: CR2025 Since every month new cameras come into the market, we can't know for each model whether it has an infrared interface. Please check this in your camera manual!