DetailsPut your hand between sensors about 0-3.94in, start working for continuously until liquid soap come out from nozzle, fast hand disinfection and prevent cross infection. Offer 2 different kinds of volume drop adjustments suit for different demands. Transparent shell enables you to see the remaining soap and timely refill. Suitable for kitchen, bathroom, barber shop, and restaurant toilet, hotel, office, public area, etc.. *AUTO HANDS-FREE CLEANING - Automatic hand sanitizer dispenser with