Easy to Make Hot and Iced Coffee: Single switch knob with indicator light for simple operation.Turn the control knob to the "OFF" position to relieve pressure before opening the water tank cap or removing the portafilter. Innovative pause function allows you to deal with unexpected event. More suitable for beginners. Fast Brewing Technology: Advanced heating technology makes water quickly heat to the right temperature. Keenstar 3.5 bar pressure coffee maker can make 1-4 cups (240ml) of coffee within 2 minutes. Easy-pour glass cup is clearly marked to serve the perfect amount every time and delivers a truly rich espresso in seconds.