Three-speed adjustment: 0.25s fast bubble. Different gears meet the needs of children and adults with different foam volumes. 300ml large capacity: it can dispense liquid 500 times, which can be used by the whole family for 50 days. Multifunction display: display of internal temperature (C or F) and remaining battery. Multi-Liquid Application: Foaming hand sanitizers can be added directly. Other commonly used liquids (hand sanitizer, detergent, shower gel, etc.) can be used after being diluted with3 to 8 times of water. Waterproof and USB Charging: IPX5 waterproof (soap dispenser can't be flipped), not afraid of humid environment. Built-in 2000mAh lithium battery, 3 hours charging time, 180 days super long standby time. Wall Mounted and 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.