It can trigger the camera shutter release remotely from a distance. The compatible camera has a built-in infrared receiver for this remote trigger device. It has been proved to be safe and reliable with the multi-brand cameras (see more details in the picture above), and works with all camera remote control modes (Quick-response, Delayed and Bulb). Works from up to 8 meter (25 feet) away. Features: Wirelessly Trigger the Shutter -After switching your Ni k&n cameras in remote mode, you can instantly trigger the shutter with this wireless remote form a distance of up to 16ft. -It allows you to include yourself in the photo and take picture whenever you are ready. Avoid Camera Vibration=Sharper Pictures! -Since you can trigger the shutter without touching the camera body, it can avoid camera vibration, thus resulting in sharper pictures. Replaceable Battery -A 3V CR2025 battery is included and it is replaceable. Compact and Light weighted -It is so compact that you can put it in your pocket. -Dimension: 60 x 28 x 5mm Compatibility Guaranteed