4 ADJUSTABLE LEVELS, 600ML LARGE CAPACITY - The foam volume of this automatic hand sanitizer dispenser can be adjusted in 4 levels to meet personal preferences and needs, convenient for families and family members. family with many children. You won't have to refill your hand sanitizer as often thanks to the soap dispenser's large 600ml transparent container. Rechargeable and IPX5 waterproof - The large capacity 2000mAh battery lasts 6 months, press and hold the power button pressed for 3 seconds to turn off the device, the soap dispenser is IPX5 waterproof and the rubber plug on the charging port protects the machine from water damage and corrosion. EASY TO USE - You need to mix liquid soap and water in a 1:4 ratio to create a thick lather. This means you get a good exfoliation while saving more on dish soap or hand sanitizer. Fast foaming in 0.25 seconds - Simply place your hand under the sensor area to lather and dispense in 0.25 seconds.