This is the lower price popper with an E-Z Kleen Kettle. Tempered glass will not scratch, Twin arm kettle suspension for safety and cleaning. New thicker Plexiglas doors, 3/16" thick. The improved Auto Shutoff feature turns off kettle heat after 15 minutes of idle use. Light blinks on and off to indicate Auto Shutoff is activated. Allows kettle heating element to last longer and saves on electrical power. Cart is also available for this unit (Sold separately).