Automatic Sensor Soap Dispenser Throw away the small plastic pump that looks dirty when you pump it with dirty hands. This vending machine avoids all of that. The only thing to remember is to put your hand under the spout less than 2 inches to activate the sensor. Then the soap falls into your palm like magic! 5 Different Volume Levels Variable soap volume by adjusting +/- button to control liquid volume from 1.5-3.5ml (level 1-level 5). It is by default at level 3 (2.5 ml). Note: do not walk away too early so that the soap does not run onto the counter Large Capacity 500ml Avoid replacing the soap very frequently, which can bring you much convenience for your life. Unique transparent design so you know how much soap is left. The variation in volume dispensed is well adjustable to your needs Works with AA Batteries 4 * AA alkaline batteries (NOT INCLUDED IN THE PACKAGE) are required, which can work for 3500 dispensing. In addition, rechargeable AA batteries can be used in this device if you want Elegant and Versatile Household Accessory Sleek and minimalist design makes it more like a decoration. Work with liquid hand soap, dish soap, shampoo to meet all your needs. Perfect for family, kitchen sink, bathroom, hospital, hotel, office, school, coffee bar, restaurant and more