Touchless Soap DispenserOur automatic soap dispenser uses high precision sensors. Simply place your hand under the spray head and air bubbles will be ejected in 0.25 seconds for contactless soap and hygienic dispensing. Large 320ml Capacity: the foam soap dispenser has a 320ml large transparent water tank, it is recommended to add 90% foam soap. Power interface, one charge can be used for 3 months. This foaming soap dispenser is IP4 waterproof. Note: Does not work while charging. USB Charging & IPX4 WaterproofElectric soap dispenser USB charging, TYPE-C power supply interface, can be used for 3 months on one charge. This foaming soap dispenser has an IPX4 waterproof rating. Note: Doesn't work while charging. For Foaming Hand SanitizerThis auto soap dispenser is suitable for all kinds of foaming hand sanitizer. Gel-based hand sanitizers are not recommended to prevent clogging of many foam hand sanitizers. Gel-based hand sanitizers are not permitted.