Children's hand washing sensorAbout this item Automatic Touchless Soap Dispenser: This automatic foaming soap dispenser with built in precise infrared motion sensor, 0. 25s rapid foaming. You only need to put your hand close to the foam outlet, the dispenser will automatically foaming and let foam in your hand, the whole process of cleaning your hand don't need to touch the soap dispenser. JUST pour soap and water into the bottle in a ratio of 1: 3, then you can get the delicate