Using this soap dispenser is easy. First, if you're using the Multi - Feed system, make sure you've purchased the “6 - SOAP - MFT” Soap Multi - Feed Tank separately and filled it with liquid soap. The soap should have a viscosity between 100 cps and 5000 cps. Choose your power supply, either a Battery pack (4xAA alkaline) or an A/C Adapter. Once powered, just place your hand under the spout and the touch - free dual sensor will activate to dispense soap. The indicator light at the base of the spout will tell you if it's powered, when it's activated, and when the soap is running low. When it comes to maintenance, keep the dispenser clean by wiping it with a soft cloth. Check the anti - rotational gasket/washer regularly to ensure the vandal - resistant construction stays effective. And remember, this item is non - returnable, so make sure it meets your needs before purchase.