This item has built-in infrared smart sensor, soap will come out automatically once laying your hand, dishware, etc. under the spout. It's perfect to use at bathroom, kitchen, office, school, hospital, hotel and restaurant.Features: Built-in infrared smart sensor. Fully automatic and touch-free operation, to avoid the second cross-infection. Innovative non-drip design eliminates waste and countertop mess. Large, easy to fill opening.  Ideal for lotions liquid soaps or sanitizers, etc. Perfect to use at bathrooms, kitchens, office, school, hospital, hotel and restaurant.Specifications:Material: ABS plastic Weight: 286g / 10ozCapacity: 400mlDimension: 21cm * 11cm * 10cm / 8.3 * 4.3 * 3.9inCordless, powered by 4 AAA batteries (NOT Included)