About this item Three-speed adjustment: quick bladder 0.25s. The different gear wheels meet the needs of children and adults with different foam volumes. 300ml large capacity: it can release 500 times of liquid which can be used for 50 days by the whole family. Multi-function display: display of interior temperature (C/F) and remaining battery. Multi-liquid use: foaming hand sanitizer can be added directly . Other commonly used liquids (hand sanitizer, detergent, shower gel, etc.) can be used after being diluted in water 3-8 times. Waterproof and USB charging: IPX5 waterproof (the soap dispenser cannot be turned over), not afraid of the humid environment. Built-in 2000mAh lithium battery, 3 hours charging time, 180 days super long standby time. Wall Mounted & Bionic Tilt: The wall mounted soap dispenser saves space. The 45 foam outlet prevents foam from sticking to the soap dispenser and keeps the soap dispenser clean.