Features:-Equipped with 4 adjustable liquid dispensing volumes, namely 10ml (0.34 FL oz), 15ml (0.5 FL oz), 20ml (0.68FL oz) and 00ml (unlimited flow) to meet different needs.-With touch button and digital display (shows the amount of water dispensed and remaining power). Long press the touch button to turn on/off, double-click the touch button to select the mode.-Easy to use, put the cup under the nozzle, long press the button to start pumping, when it reaches the set level or takes out the cup, it will automatically stop and display the pumping amount.-Easy to install, clean the wall, stick and fix the sticker for 24 hours before hanging the mouthwash dispenser (not suitable for painted walls, lime walls and wallpaper).-Made of high-quality ABS and PC, it .