Simplehuman Compact sensor pump soap or sanitizer dispenser in white color features silicon valves to prevent messy drips and clogs. Pump with wide opening makes refills easy and is perfect for countertops. Touch-free compact sensor pump. Perfect for small sinks or countertops. Flexible valve springs open, then snaps closed to prevent messy drips. Unique gear design and high-efficiency pump make for faster more consistent dispensing. Adjust volume using the easy-access control bottons. Lasts up to 1 year, with 4 AA batteries (not included). Large opening makes refilling quick, easy, and spill-free. White. Uses 4 AA batteries (not included). simplehuman Compact 8 oz. sensor pump soap or liquid sanitizer dispenser in white color features a wide opening to provide faster and efficient dispensing.