This is an insect killer and lamp that uses light to attract the bugs, trap them, and burn them with a powerful coil inside. ... One complete cycle of the Fuze Bug lasts between 20 to 22 hours.

CrossFire Indoor Bed Bug Killer: from $26.93 at Amazon US / £47.13 at Amazon UK. Available as both a concentrate and an aerosol, CrossFire Bed Bug Killer is safe to use indoors.