Hygiene and health The soap dispenser has an infrared sensor, avoids direct contact, can reduce bacterial infections, no contact is more hypnotic, effectively inhibits bacteria and avoids cross-infections. One-button cleaning function, can clean automatically, can keep the soap dispenser clean effectively.Automatic Sensor & Fluffy Foam It's an automatic sensor so just put your hands under the dispenser and the foaming soap comes out. It can detect hand movements and dispense fluffy soap within 0.25 seconds. There is no need to touch the dispenser directly by hand, it is more convenient and hygienic.Adjustable function Key function: When the device is switched off, it is pressed once, the green light is switched on once and the acoustic signal can be switched on once. When on, press the switch, the green light will flash twice and the beeper will turn off twice, there are 5 adjustable options for the bladder volume.More durable and suitable for many occasions Use high quality materials, more durable, IPX6 waterproof function 3 AAA batteries can be used for 3 months, more durable. Anti-lock mechanism, more durable. Suitable for other occasions, can be applied to many public places such as bathroom, kitchen, hotel, restaurant, etc.Quality service please contact our team. We will answer your questions within 24 hours, so you can buy and use it safely, the soap dispenser is a foam soap dispenser. Make up the soap solution proportionally when you use it. The soap dispenser does not have a wall hanging function.