1 400ml RefillableTank 2 Lockable,Healthy and convenient 3 Hot sale for Home,Hotel,Hospital,school 4 Material :ABS Automatic soap and sanitizer dispenser 1)Material:ABS 2)Vol:400ml3)Out Size:L13.5*W8.5*H19CM4)Batteries:4*AA5)Operation Method: Smart Sensor Type6)Musical chime when dispensing motivates kids to use it and helps parents confirm their hand-washing Automatic soap dispenser