Unit shall operate each time an object is positioned within the sensing distance of 3-1/8" from unit bottom. A foam drop of 1/2 oz to 1/3 oz will be pumped out of the nozzle on unit bottom for each activation while batteries are at suitable charge level
(LED is not flashing) and correct viscosity liquid soap is present in the tank. Door has lock to provide
security and vandal resistance after each soap refill and battery change service interval.