Manufacturer’s Description. The Keurig 2.0 K400 brewing system is the first Keurig system that allows you to brew a piping hot 4-cup carafe with the same ease and convenience of brewing a single-serve cup  — all at the touch of a button. It’s so smart. So simple! So different than an average coffee maker! Revolutionary Keurig 2.0 Brewing Technology. The Keurig 2.0 K400 brewer also features revolutionary Keurig 2.0 Brewing Technology, designed to read the lid of each K-Cup or K-Carafe pod to brew the perfect beverage every time. A feature-filled, programmable brewer. The brewer also features a large 70 ounce Water Reservoir, 2.4 inch color Touch Display, programmable clock, an auto brew option, and a strength control setting for brewing bolder coffee. There’s even a separate setting for hot cocoa and other specialty beverages like chais and mochas. So many choices. Choose from more than 400 varieties of coffee, tea, and specialty beverages — including iced beverages — from over 60 brands you know and love. Just look for the Keurig logo on your favorite K-Cup pod and K-Carafe pod varieties. The Keurig 2.0 K400 brewing system also includes a Keurig Carafe and K-Cup and K-Carafe pods to get you started. There are also optional accessories available such as the Keurig 2.0 carousel, Keurig 2.0 storage drawer, Keurig 2.0 water filter starter kit, and a thermal carafe.