Ohuhu Stainless Steel Hands Free Soap/liquid Sanitizer Dispenser - 9.5 Fluid Ounce One button operation:press the button 3 seconds to turn on/off Output amount: Low, Middle, Large - one press circulation Low-energy: 4 AAA batteries (not included) Hands Free, Automatic Operation, Instant, Accurate Dispensing Stainless Steel, wide opening makes refills fast, easy and spill-fre