Features: -Using infrared sensing, just place your hand under the sensor to accurately dispense foam in 0.25 seconds. -There are 4 adjustable speeds, just press the button to choose from 4 speeds of 0.3 seconds, 0.8 seconds, 1.5 seconds and 2 seconds. -IPX5 waterproof technology protects the battery compartment from soap or water, thus extending the service life. -Built-in 500mAh rechargeable battery, it can be used for more than 60 days after fully charged, reducing the need for frequent charging. -Equipped with all necessary installation accessories and instructions, making installation a breeze, can be placed directly on the countertop for use or hung on the wall. .