The ST1 is are 16"W X 21"D X 21"H, and has a 4-liter boiler. Uses 110 Volts at 15 Amps, 1600 Watts. Has a hot water outlet and a C-lever steam wand.
The ST1 is a pour-over (not connected to water). It has a 2-liter reservoir, and semiautomatic control for dosing.