Equipped with high precision infrared sensor, it only takes 0.25 seconds to foam and Extrude soap. Move your hand to the sensor area and get some soap. To turn on/off, press the power button for 2 - 3 seconds Change the amount of soap with just a touch. Class 3 soap volume design: high (1.8g) / medium (1g) / low (0.6g) optional; Quickly click the power button to change the amount of soap; Different color indicators indicate different amounts of soap: white (high), blue (medium), green (low). [charging design with built-in 800mah battery] can work about 3000 times with a single charge . It can reduce battery consumption, save more money and reduce the environmental impact of discarded batteries compared to a battery-powered dispenser. Ipx5 waterproof: no need to s worry about splashes in the bathroom; The rubber plug keeps the USB charging port away from moisture There is a holder inside the package, put it on the wall, then put the soap on it, this which can prevent the soap from splashing and make the bathroom cleaner.