The OXO Brew 9-Cup Coffee Maker was designed to regulate brew time, water temperature and volume, the three variables that can make or break a pot of coffee. Just add water and ground coffee and select the number of cups to brew - the machine will handle the rest. The OXO Brew 9-Cup Coffee Maker is recognized as an exemplary home brewer by the SCA (Specialty Coffee Association) for delivering rich, gold-standard coffee – every time. 120V/60Hz voltage.