The Pen Soap is an intelligent soap dispenser. Its minimalist design is inspired by the contour of a pen while getting rid of all unnecessary design elements. This product adapts the INSTANT-SWITCH technology, which allows the dispenser to turn on and off instantly. This technology uses fluid pressure to release the soap, and uses an elastic memory function to close the outlet. With this technology, LEAF can prevent the dripping of soap; therefore, it effectively saves soap and reduces cleaning frequency. The LED light reminds users when dispensing starts and finishes. It is also shows when to refill the soap and the breakdown information.