Using this soap dispenser is easy. First, make sure you have four AA batteries installed. Once the batteries are in, the hands - free sensor will be activated. Just place your hand under the dispenser, and it will automatically dispense soap in a preset amount. Remember, if the LED light on the unit starts flashing, it's time to change the batteries or have it serviced. When it comes to filling the dispenser, open the keyed tumbler lock, pour your preferred viscous hand soap, detergent, or lotion into the translucent tank. Keep the dispenser clean by wiping it regularly with a soft cloth. Avoid using abrasive cleaners as they may damage the satin finish. Also, make sure to keep the dispenser away from excessive moisture and direct sunlight to prolong its lifespan.