With a 20 to 60 cup capacity, this professional machine is made of durable stainless steel with a mirror-polish finish for long lasting service. Simple controls make it easy to consistently prepare hot and rich-tasting coffee for a crowd. The contemporary design is perfect for restaurant, hotel, hospital and household settings. Water level indicator Brew between 20 to 60 cup capacity. Percolating action, viewable through glass knob. Durable, mirror-finish stainless steel construction. Unique stainless steel basket and pump pipe for clean coffee taste. After brewing, automatically switches to "Keep Warm" function and freshness indicator shows length of warming time. Easy-open cover with safety locking lid. Cool-touch handles and no-drip spigot. "On" and "Ready" light indicators.120 volts AC, 1000 watts. UL rated for commercial or household use.