From the Manufacturer
Want to videotape nocturnal wildlife or human activity without disturbing your subjects with visible light. Light up the night with our Infrared Emission light! Extends Sony's NightShot feature by up to 100 feet. Uses just 3 watts of power, so it won't put a high drain on your camcorder battery. Lets you adjust the lighting to match the needs of each shot.
Product Description
Don't keep your movies in the dark. Light up your shots with a 3-watt camcorder light. It's powered by your camcorder and is small and lightweight, making it easy to carry with you. It also has an automatic mode, so it does the guesswork for you.