"Touchless Sensor Sensor soap dispensers apply intelligent infrared sensor to realize automatic dispensing, then dispense the right amount of soap every two seconds. No bacteria transfer, ensuring you more hygiene and health!Durable and Waterproof Our soap dispenser comes with a leak-proof design, and with a base holder helps prevent the battery compartment from getting damaged. 'be soaked in water. Washable and anti-infrared interference.Easy to install Long press the power switch, the blue LED light will flash, place your hand under the sensor within the range of 5cm to operate the water dispensers battery operated soap. 4 AAA batteries, not includedWidely applicable It is compatible with all kinds of liquid hand or dish soap and also works great with hand or body lotion. Perfect for use in bathroom, kitchen, office, school, bank, hospital, star hotel and restaurant. "