MaterialPlastic Product size :108*75*197mm Battery type: Lithium battery Rated voltage: 3.7V Rated power :1.5W Charging connector: TYPE C USB charging parameters :5V-1A Charging time: about 3 hours Usage: about 2000 times (charge once) Working mode: infrared sensing Water bottle capacity: 400mL Sensing distance: 0-70mm Waterproof rating: IPX5 1. Automatic and Touchless: automatic soap dispenser is a no-touch option to deliver soap directly into your hand or sponge when you may be handling raw meats or your hand are messy. 2. Mixed in 1:3 Ratio to Save More Liquid Soap: Dispense as foam, which means you will get a good scrub in while saving more on dishwashing detergent or hand sanitizer. You need to mix liquid soap and water in a 1:3 ratio, this will create a thick and decent foam. 3. Wall-mounted: You can place the automatic soap dispenser on the desktop directly, or stick it to the wall to free up counter space. The soap dispenser is compact and minimalist, so it won't spoil your design aesthetic instead of adding a sleek to your kitchen and bathroom. 4. 13.5oz Large Capacity: Designed with a translucent container so that you can conveniently see if soap needs to be refilled. 5. IPX5 Waterproof and USB rechargeable: The soap dispenser is IPX5 waterproof and the rubber plug on the charging port protects the machine from water damage and corrosion. It is convenient USB rechargeable and used continuously for up to one month with one full charge. ( There are misunderstandings due to differences in the frequency of use )