Easily heats large portions. Motor driven top antenna. Reliable distribution of energy for consistent heating results. Non-removable front air filter. The only 1000 watt commercial microwave on the market with a filter. Cools componentry, extends life of oven. Grab 'n Go handle. Reliable, long-lasting handle with no moving parts. Tempered glass outer oven door window. Automatic reset to zero when cooking cycle is interrupted (manual reset available as user option).