The chime is especially fun for kids and helps parents confirm that soap is being used for hand washing.
Put your hand under the dispensing nozzle,the built-in infrared sensor will detect your hand, and then the unit wil automatically dispense a centain amount of liquid from the nozzle.
Slide the SWITCH to "OFF" to deactivate both "automatic dispensing" and "musical-confirmation chime" Tips:At first time use,please repeatedly activate"automatic dispensing" for several times until the dispensing gets normal.

Specifications:
Input voltage: DC6V
Power:4* 1.5V AAA batteries(not included)
color:white
size:195*125*80mm
net weight:319g
package dimension:215*145*90mm
package weight:387g

Package include:
1* automatic soap dispenser
1* user manual