This Automatic Dispenser Pump is designed to work with Hand Sanitizer and Liquid Soap in almost any bottle size. Powered by 3 AAA batteries (not included), it features a motion sensor with 3 adjustable settings to dispense the desired amount. Additionally, it is water-resistant with 5 interchangeable gaskets to fit different bottle sizes, with only one unit per box. Crafted for efficiency and convenience, this Automatic Dispenser Pump eliminates the need for manual pumping and offers a reliable, touchless solution. It can be easily adjusted to suit any bottle size, while water-resistant construction means it will last for years. Plus, with a motion sensor and 3 AAA batteries (not included), you'll never run out of your essential products.