What is VBLab Automatic Foaming Soap Dispenser? The VbLab foaming dispenser make your a hands-free washing experience, no germs or smudges left behind, providing clean and effortless soap dispensing. ONE YEAR WARRANTY, CONTACT: [email protected] Perfect for kitchen and bathroom!Operating instruction: 1. Fill your favorite liquid soap, hand sanitizer or shampoo into the bottle, then dilute it with 3-8 times purified water. Before use it, please shake the mixture evenly. 2. Long press the power button for 2 second (the indicator light will flash 3 times) for power on. When you position your hand near the sensor area, the machine can dispense automatically. 3. Double tap the turn-on button to switch different dispensing mode. Indicator light will flash once during that time. Short forming mode will provide about 10ml foam in 0.5 seconds. Long forming mode will provide about 24ml foam in 1.2 seconds. 4. Please charge it with the USB cable in the package. The indicator is red when charging, while it turn green when the battery is fully charged. After fully charged for 3-4 hours, it can be used for about 1 month.Trouble shooting: 1. Before you add liquid soap into the bottle, please make sure the liquid does not contain impurities. Otherwise, it will easily be clogged. If the blockage is serious, it may make the foaming dispenser STOP working. When the machine is blogged or after 3 months of regular use, the dispenser needs to be cleared: Step 1: Clean the filter at the end of the straw with water. Step 2: Empty the bottle and add some water in it. Step 3: Dispense 20-30 times until the water can be dispense smoothly. 2. It might not foam for the first time, because there may be some air in the straw. Do not worry about it. It will dispense rich foam after several times. 3. One year warranty: We will change a new one for you if it doesn't work in one year.