Pour in the soap mixture, insert the batteries and turn on the device by pressing the button on top - encouraging users to wash their hands and improving the experience at the sink. Compatible with various liquid soaps, dishwashing detergents and other foaming mixtures. The soap must be mixed with water in a ratio of 1: 2 or 1: 8 depending on the soap used. Saves there with amounts of liquid soap that is consumed significantly and is good for the environment. The infrared sensor automatically starts a motorized pump and foaming mechanism in 0.2 seconds upon activation. The user does not have to touch the pump directly with their hands, which results in increased hygiene for all users as no surface is touched where bacteria can accumulate. Has a liquid tank with 375 ml capacity which is enough for about 1100 uses.Specification:- Capacity: 350ml - Perfect for the sink, bathroom, office etc.- Built-in infrared motion detector.- Powered by 4 x AA batteries