Sensor driven, touch free dispensing reduces the risk of cross contamination Certified effortless cleaning and intuitive refilling in less than 10 seconds Proven Easy to Use design by third party certificate -promotes good hand hygiene for all users, even children and elderly Reliable performance and intuitive maintenance with an LED refill indicator that shows when maintenance is needed, delivers peace of mind For Tork S4 System foam soap and foam hand sanitiser with sealed flasks - H 278 mm, W 112 mm, D 128 mm - plastic, white, electrically powered by four C-type alkaline batteries - mounting material and key included