Slim wireless remote control instantly triggers camera shutter by using Infrared technology Trigger the cameras shutter release remotely from a distance of 16 Feet Perfect accessory for taking selfies and avoiding camera shake Compatible with most Canon, Nikon, Sony, Olympus, Pentax, and other DSLR cameras that utilize an infrared sensor Uses 3V lithium battery CR-2025 (included) Compatible with most Canon, Nikon, Sony, Olympus, Pentax and other DSLR cameras