Design Architecture: The system uses a minimalist cylindrical style with an upper electronics sensor assembly and an independent lower liquid tank. The right side of the image highlights how the interchangeable bottom tank can be detached for refilling.Capacity & Volume: These units typically hold a 380ml (12.8 oz) capacity of foaming soap.Smart Controls: The top panel includes a digital button layout with multiple power/dispensing volume gear levels and built-in infrared motion sensing for quick touch-free activation under the nozzle.Power Supply: Features an internal rechargeable battery powered via a standard USB Type-C charging por