[Rechargeable and IPX4 waterproof] With built-in 1800mAh lithium battery, the dispenser is rechargeable by USB. Only 3 hours to fully charge and can be used for 600 hours at a time (If used 12 times a day and if the switch button flashes, please charge it. The product CANNOT work while charging, this foam soap dispenser is IPX4 waterproof. [2021 newest automatic soap dispenser] Soap foam dispenser with high- sensors, the response of the infrared sensor is . 0.25 seconds and the scanning area is . 3 cm. strainer and arc nozzle design, just put your hand under the nozzle, soap suds come out without any difficulty, easier for children to use than a traditional dispenser and also more hygienic. [Large capacity and adjustable foam levels] Soap dispenser With a large capacity and visualization window, you can easily see if you need to add more liquid. Less soap is used than with a soap dispenser to press. 2 different foam levels can be set: The small foam (0, 6G) is more suitable for children, and the large foam (1.1G) can be used by the whole family. [Low noise, -saving and environmentally friendly] Mini high-performance motor with low power consumption and quieter, when you use the soap dispenser after -up, the switch light and the light to select the amount of foam stay on for 10 seconds, then standby, it be on while charging green light for 3 buttons and the green light at the same time when the 3 buttons are fully charged. [ gift and your family] This automatic dishwashing detergent dispenser can be used as a gift for everyone you cherish. So very suitable for Children's Day, Mother's Day, Father's Day, Christmas and New Year.