1.【Touchless】 With an automatic infrared motion sensor , 0.25 seconds for fast lathering, and fully automatic one-touch operation,kids can easily use it. 2.【Rechargeable】: 1800mAh large capacity built-in lithium-ion battery, a full charge can be used for nearly 3 months, without frequent charging or battery replacement. 3.【400ml Large Capacity】 This automatic soap dispenser is waterproof with IPX4 level. The cute and fun duck shape is perfect for decorating your bathroom kitchen and other countertops. 400ml large capacity design allows you to add foam soap without having to add it frequently (You can add foam soap directly or mix regular soap and water in a ratio of 1:3-5). 4.【Strong after-sales service】 Please feel free to contact us if any problem arises during the use, we will reply you within 24 hours and solve the problem for you. 5.【Automatic Cleaning】 Our automatic foaming soap dispenser has a cleaning function that prevents the residual liquid in the soap dispenser from clogging, making it easier to use (long press the power button for 2 seconds).