Ghost hunting is the process of investigating locations that are reported to be haunted byghosts. Typically, a ghost hunting team will attempt to collect evidence claimed to be supportive of paranormal activity. Ghost hunters often utilize a variety of electronic equipment, such as the following types: the EMF meter; digital thermometer; handheld and static digital video cameras, such as thermographic (or infrared) and night vision; digitalaudio recorder; and computer.Traditional techniques such as conducting interviews and researching the history of a site are also employed. Some ghost hunters refer to themselves as a paranormal investigator. Ghost hunting has been criticized for its absence of scientific method, no scientific body has been able to confirm the existence of ghosts. Ghost hunting can be classified as a pseudoscience..