[High sensitivity, touchless, more hygienic and convenient] This automatic soap dispenser adopts high sensitivity 0.25 second sensing technology, which is different from the inconvenient traditional pressure type. Just put your hand on the nozzle to get the right amount of liquid and soap can be automatically collected on the hand, contactless, more hygienic and convenient. [Applicable to most detergent bottles/practical wide] The diameter outlet of detergent bottles corresponds to the range: 2.1- 3.4cm. This automatic dispenser can be securely attached to various liquid detergent bottles. Compared with a slotted soap dispenser, it can eliminate the need to install complex cleaning supplies. Environmentally friendly and convenient USB charging: Since the soap dispenser can be used for a long time, it is a simple rechargeable type without changing batteries, which is more environmentally friendly and also frees you from small burdens. So you can keep the dispenser open. [3-stage