This Countertops Soap Dispenser use sensing technology, dispensing soap automatically without any 400ml large capacity bottle with easy filling Precisions sensors makes fast speed of foaming just 0.25s and very smooth foam USB rechargeable design is more for use Large capacity battery prevents you from charging the soap dispensers frequently Make from ABS and PP, touchless auto dispenser is waterproofs, strong for long terms use Easy to clean The Automatic Soap Dispenser can automatically turn soap or shampoo into a delicate and dense foam for thorough cleaning