Wireless / Cableless Infrared Remote Controller / Remote Shutter, for Nikon Cameras with Infrared Port, Mod. ML-N (US) Remote Controller Infrared Nikon ML-N for Nikon 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!