BATHKLIN Automatic Soap Dispenser Hands Free Kitchen and Bathroom Countertop Soap Dispenser Adjustable volume: We have included 3 one touch volume settings, allowing you to control the amount of soap that is dispensed for the perfect hand wash. Work with any soap: Bathklin automatic sensor soap dispenser could work with your favorite liquid soap or hand sanitiser. Motion sensor technology provides sanitary, touch-free operation. Energy efficient: Lasts up to 1 year with 4 alkaline AAA batteries (not included) silicone valve prevents messy drips. No mess drip / spill