0.5mm) is suggested.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.Warm Tips:Add Max 240ml water, otherwise the nozzle will leak.Powerful Steam Wand: High power 800W element for high pressure steam and faster heat up to create the micro-foam in 40 seconds, ready to make creamy cappuccino and latte art without wait. Accurate temperature control can ensure the best taste. Velvety smooth espresso will make mornings so much better. The silicon pad could prevent burns by nozzle. We advise you clean the steam wand after every use, otherwise the steam wand may be blocked by milk scale and water scale. Warm Tips: Dont add water asap after making coffee to prevent burns.Space Saving and User Friendly: This compact coffee maker is smaller than most. Dimensions are 13.1" high x 7.7" wide x 10" deep, weight only 4.7 pounds. Fits in any kitchen while maintaining key features like heat control, bar pressure, and milk frothing. BPA Free. Robust and low noise, suitable for all families. (Dont put accessories in dishwasher)Satisfaction Guaranteed: Instruction manual included to ensure the recipient knows how to use it. We offer a 30-day money-back guarantee, free replacement within 1 year, and lifetime after-customer service from the date of purchase. So you can buy with confidence!" />