Hand free soap dispenser: Equipped with high-precision infrared sensor, soap could be foamed and dispensed in 0.25 second. Move hand to sensor area and get soap. To TURN ON/OFF please press power button for 2-3 seconds!!! Single tap is ONLY for switchsoap volume. 3 level soap volume design: High(1.8g)/Mid(1g)/Low(0.6g) for options; Quick click power button to switch soap volume;Different color indicator lights indicate different soap volume:White(High),blue(Mid),green(Low). Rechargeable Soap Dispenser: With 800mAh built-in battery, A single charge could work for about 3000 times. Compare with battery operated dispensers, it reduces battery consumption, saves more money, and reduces the environmental impact of discarded batteries.Charged with a micro-USB cable. IPX5 waterproof: Do not worry about splashing water in bathroom; Rubber plug keeps USB charging port free from humidity A bracket is included in the package, past it on the wall and place the soap dispenser on it, can prevent the soap dispenser from being splashed and make the bathroom more tidy.