Boondee.net is selling the "Trisaksri Ghost Repellent", a hand-crafted box that detects spirits, snaps an "invisible picture", then converts that image into a "WAVE KILLER" circuit that creates an electromagnetic blast that scares away any specter. They explains:
You or someone may have experience with ghost or devil after bought new second hand house from the former owner. Some houses may have bad spirit inside which will interfere your daily life unhappy and frighten your children. Finally many of you leave away the house and find a new home. We have a solution for you, "Trisaksri Ghost Repeller". Just place this device in side your house and switch ON. All ghost and devil will leave away your home and won't come back again. Now who run away, You or ghost ? Save money in finding a new home.