Features: brand new and high quality 4 months long battery life: Built-in 2000 mAh high-capacity lithium battery, using TYPE-C fast charging cable, charging faster and safer. Large capacity of 300ML: The liquid can be discharged about 500 times at one for time, which can be used by the whole family for 50 days. Punch-free installation: Adhesive paste installation is durable and firm, does not fall, and can bear a load of 5kg. Three levels of foaming volume: Adjust as you like, which can meet the different dosage needs of adults and children. Extremely rapid bubble generation: 0.25 second rapid bubble generation, 3-6cm/1.18-2.36'' induction zone. Specifications: Material: ABS+Electronic Components+PP Color: Black/White Diameter: Approx. 13cm/5.12inch Capacity: 300ML Charging Type: Type-C Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Soap Dispenser