Yellow Duck Automatic Soap Dispenser: Sensing and get the foam, touch FreeGreen light: ON/Standby.Red light: Shut Down.The Green Light Is The Power-on State.Touch the top switch, the indicator light shows green light, it means it is turned on. After that, it will remain in the standby state. You don't need to turn it on again for subsequent use, just put your hand under the sensor to foam.Automatic foaming soap dispenser, touchless use can free your hands, you dont have to touch it and it can dispense foam automaticly. Its more convenient and sanitary, suitable for using in kitchen and bathroom.High-quality material, fashionable appearance, high durability, waterproof and moisture-proof performance, large capacity, wide filling port. It can be used for multiple purposes. It can be filled with hand soap, dish soap, shampoo, body wash, facial cleanser, etc.Infrared sensor achieves fast detection, and 0.25s automatic foam generation will make hand washing convenient. The cute yellow duck cartoon design allows children to develop a good habit of washing hands.It is powered by 3 AA batteries (not included for shippment). Appropriative battery compartment can protect batteries from corrosion. The top sensor switch can control the dispenser, green light indicates open while red light means shutdown.Liquid soap that is gentle to hands is recommended to use for this product. Foaming hand sanitizer can be filled directly, and the hand sanitizer needs to be diluted with water in a ratio of 1:3-1:6, or you can pour the hand sanitizer into the bottle to reach the 'Soap Liquid Position Line' mark and then filled with water.Dilute ordinary detergent with water at the radio of 1:3This automatic foaming soap dispenser can be supplemented with hand sanitizer and foam hand sanitizer. If you use hand sanitizer to replenish it, it needs to be diluted in a ratio of 1:3 (original detergent 1: water 3). Or you can add the original detergent to the 'Soap Liquid Position Line' mark on the bottle body, and then fill up with water. Please do not add any solid or granular cleaning product into the bottle. If you like the foam to be more diluted, you can dilute the original detergent with water in a ratio of 1:6.Install Step:1.Turn the bottle to the right to depart it. Push and take out the battery compartment, put 3*AA batteries into.2. Remove the interface tube from the mouth of the bottle and pour in the foaming hand sanitizer.3. Install the interface tube back to the bottle mouth and press firmly.4. Screw the bottle to the body tightly. Touch the top switch, the indicator light turns green to indicate that it is turned on. Put your hand under the sensor mouth to automatically generate foam.