Large capacity: 13.5 Oz/400 ml, suitable for various liquids and gels, support wall mounted or placed on the counter Double Protection: IPX7 Water proof and Leak Proof rubber sealing ring to prevent soap or water from corroding circuit boards The touchless sensor soap dispenser built-in 2 precise infrared motion sensor, precise and the sensitivity is higher so you can get hand soap quickly in just 0.1 seconds. 6 Levels liquid Adjustment, the volume of soap liquid can be easily controlled between 0.3-2ml by adjusting +/-, without dripping or tailing, compatible with most liquids. The Auto soap dispenser supports a wall-mounted type, so it can be well adapted to different scenarios, such as kitchen, bathroom, schools, hospitals, shopping malls, etc. (Tips: no installation tools are provided).