InSinkErator Cover Control Plus Evolution 3/4 HP Household Garbage Disposer SoundSeal Technology which delivers ultra-quiet performance versus a standard disposer MultiGrind Technology , with two-stage grind to quickly grind virtually any food waste 40 oz. Stainless steel grind chamber and grind components for longevity 3/4 Horsepower Dura-Drive Induction Motor; power cord not included Magnetic CoverStart activation means no wall switch is required. The robust, chrome plated stopper holds back water when needed, and will only turn on the disposer when manually activated