The SFX dispensers are available as manual and sensor options. The manual reducing servicing hassles as there are no batteries required. The sensor is a touch free unit that reduces the spread of bacteria. The manual & sensor dispensers have the ability to dispense various soap fomulations through a sealed cartridge and pump system all in one dispenser. The 0.4ml pump has the ability to dispense 1 750 applications from the 700m refill.