IR light or Infrared light is an asset in paranormal investigation. IR lights can be used with video cameras that have night shot capabilities. The night shot feature allows you to record at night by shooting an IR beam out and reflecting it with starlight or moonlight, allowing you to see in the dark. The IR light used with the night shot feature allows you to see a lot more than just using night shot. The IR light improves clarity and allows you to see a greater distance and more of an area, which can capture more on video.