Dr Infrared Heater 2017 Upgraded verion 2-Tier 18 Cubic feet Portable Bedbug Heater with Thermometer and Timer Upgraded and reliable heating system that quickly reaches 120-155F in minutes and effectively kills bed bugs at all life stages Huge treatment area of 38x38x26 inch 2-tire steel rack system that easily fits a variety of items for heat treatment Portable, rugged and collapsible tent allows easy storage after each use Includes Thermometer/timer with alarm