Features: [USB interface] Rechargeable 1200mAh Lithium battery, charging 3hrs, lasting 120 days.
[Infrared sensor] Touchless and avoid cross-infection.
[2 adjustable foam mode] Little output volume is 10ml, large output volume is 20ml.
[Indicator] There are 3 indicators to show what the status of dispenser. Touch the key keep 3s, when hear a "click", it's success to power on. Red light: Out foaming volume about 10ml. Blue light: Out foaming volume about 20ml.
[Waterproof] IPX4 level.
[Suitable for variety of washing liquid] It should equip with special bubble liquid normally, but also suitable for other kinds of washing liquid, such as liquid soap, shower gel, dishwashing liquid etc. Using these thick liquids, please dilute with the proportion around of 1:2 or 1:6.