Rechargeable USB charging: The upgraded automatic foaming dispenser can be charged by micro USB cable instead of replacing the batteries. More convenient and environment friendly. | Infrared sensor, Smart and convenient: The automatic function facilitates the process of foaming and you do not need to touch anything. Touchless and plastic material design, friendly to children who may not strong enough to get the soap by themselves. | Waterproof for Easy Cleaning: With an IPX 6 rating, you can rinse the dispenser in the sink to keep it clean. | Variable soap volume dispense, two switching forming modes: Tap the switch button twice to change amount of soap desired. | SUITABLE FOR ALL KINDS OF SOAP - Just Dilute the liquid soap with 3~8 times of water and shake it evenly, you will get rich foam easily. Search "EKR handwash refill tablets" to get more detail of our latest soap refill tablets! ONE YEAR WARRANTY, CONTACT: [email protected]