Intelligent sensor - With the advanced infrared sensor technology, you simply press the button for 0.5 seconds, the LED flashes white, hold your hand in the range of 1-6 cm under the sensor, the sensor automatically detects it and soap suds appear. This will protect you from the transmission of bacteria and viruses, keep a healthier life.Visible Soap Volume - With a visible window on the front that shows how much soap is left and you can decorate your bathroom by filling your favorite color of soap. Bionic arch design, curved 13.5 degrees, is in harmony with the arch of the hand and makes it easier for children to get the foam. In addition, the liquid capacity of each outlet is fixed, which means that excessive liquid capacity and waste can be avoided.Humanization Design - The soap dispenser switches itself off automatically after 2 minutes of inactivity to save battery power. You have to press the button once the first time. You can use your preferred liquid soap in a ratio of 1: Dilute 4 with water to achieve a high-foaming effect that reduces soap consumption by 50%. Save money .Drip and Waterproof - Designed with waterproof base and rubber seals to prevent water from entering the battery compartment. The automatic soap dispenser is made of high quality waterproof technology with drip protection that soap or water corrodes the circuit board.Widely application - It is compatible with various liquids such as foam hand disinfectant and hand soap and is also suitable for dish washing detergent, shower gel. A smart choice for families, offices, schools, restaurants.