♥ Easy operation ♥ No need to touch the pump, just put your hand on the sensor, the soap you need will send out through the infrared sensor automatically. ♥ High precision ♥ This automatic soap dispenser has built in a high immunity to interference,Putting your hand close to the sensor about 5cm or closer, the soap dispenser will send out about 1ml soap each time. ♥ Daily use ♥ soap dispensers mix perfectly with home, hospital, kindergarten, etc. ♥ Convenient ♥ You can take it to anywhere because of its small size and portable,which is 200 ml capacity , you need four AAA batteries (not included) to operate it. ♥ Waterproof ♥ The sealed battery compartment of the soap dispenser protects the battery from corrosion by water,body of the soap dispenser is made of high quality ABS material, thus preventing penetration of the soap.