1. Automatic soap dispenser: Compared with other manual soap dispensers, automatic soap dispenser adopts infrared sensing to provide you with a contactless experience and can distribute soap liquid continuously and quickly in 0.26 seconds. 2. Note: When used for the first time, the sensor soap dispenser needs to be induced 2-3 times to fill the straw with soap (not for gel); When installing batteries, select + and -. If the battery is not installed as required, it may result in "non-working". 3. Easy to install and use: This dispenser requires 4 AAA batteries. No need to mount it on the wall, just place it on the flat surface you want, e.g. on the counter top of the bathroom and kitchen sink, on the shelf in the bathroom, etc. They can also be filled with hand sanitizer and placed on desks in offices and schools, etc. 4. Waterproof and streamlined body: This contact-free soap dispenser is waterproof and washable. The bottom uses non-slip, streamlined body beautiful. The material is ABS plastic. 5. Large capacity and multi-use: The (400ml) capacity makes it an ideal non-contact liquid dispenser for filling various liquids such as hand sanitizer, body wash, shampoo, dishwashing liquid, laundry liquid and hand sanitizer