This modern bathroom accessory utilizes an integrated infrared motion sensor to detect hands placed underneath, triggering a built-in electric pump that dispenses a pre-measured dollop of aerated foam soap touch-free.LED Smart Display: The front black panel features a prominent digital screen showing the room temperature (adjustable between Celsius and Fahrenheit), battery level indicators, and mode settings.Adjustable Foam Levels: It usually offers 3 adjustable gears (labeled 1, 2, and 3 on the screen) to let you customize the volume of foam released per use.Wall-Mounted, No-Drill Design: It typically mounts onto clean tiled surfaces using a strong adhesive backing panel, keeping countertops clear.USB Rechargeable: Powered by an internal lithium-ion battery, it charges via a Type-C USB port.