About this projectAutomatic Soap Dispenser: Compared with other manual soap dispensers, the automatic soap dispenser uses precise infrared sensing technology to provide you with a touchless experience, it only takes 0.26 seconds to continuously and quickly Dispense soap solution.PLEASE NOTE: Please note that on first use, the sensor soap dispenser needs to sense 2-3 times to fill the straw with soap (not for gels); please tick "+" and "-" when installing batteries. Failure to install batteries as required may result in "not working".EASY TO INSTALL AND USE: This dispenser requires 4 AAA batteries. There is no need to mount it on the wall, just place it on the surface you want, such as on bathroom and kitchen sink countertops, on bathroom shelves, etc. Can also be filled with hand sanitizer and placed on desks, etc. in offices and schools.Waterproof and Streamlined Body: This non-touch soap dispenser features an IPx6 full body waterproof design and is washable. The bottom adopts a non-slip design, and the streamlined body is beautiful and fashionable. The material is ABS plastic.Large Capacity and Versatile: 14 oz (400 ml) capacity makes it the ideal touchless liquid dispenser for filling a wide range of liquids including hand soap, body wash, shampoo, dishwashing liquid, laundry detergent and hand sanitizer