The most luxurious way to wash your hands. Fast, precise motion sensor triggers aerating diaphragm pump to deliver just the right amount of rich, thick foam. To control the amount of soap desired, position your hand up close to the sensor for a little soap and farther away for more. Waterproof for easy cleaning. Easy recharge with magnetic charging puck - one charge lasts 3 months. Includes matching caddy and ceramic-lined cup.