Water dispenserSmart 7 Levels Quantitative Pumping: The Quantitative selection button of the electric water dispenser has 7 capacity options with indicator lights 100 ml 200 ml 300 ml 500 ml 700 ml 1000 ml Continuous pumping, press the capacity button to select the amount of water, then click the power button to start pumping automatically, and you can stop pumping at any time by clicking the button again. Please note: Long press the power button to turn on and off