Auto Touchless-Automatic soap dispenser uses the latest accurate infrared motion and PIR sensor detection technology. Only you put your hand under the sensor port at 0-1.8 inch, it will quickly dispense soap foam within 0.25s. Not need to press to avoid cross-infection.4 Foaming Levels-Simply press the power button to adjust lather times of foaming accordingly from 0.3s, 0.8s, 1.5s and 2s as needed. easy to operate, to meet the needs of different users.USB Fast Charge-The soap dispenser can be fully charged within 2 hours using the matched USB cable (included in the package). The super battery life is convenient plus saves the expense and hassle of replacing batteries.2 Installation Methods-Both countertop and wall mounted installation are available for automatic soap dispenser. It comes with two wall mounted panels and no drilling is required to install. The compact and lightweight design saves more space and keeps your place clean and tidy.Versatile design-Foaming hand soap is recommended for best results. To dilute standard (not concentrated) liquid soap, we recommend a 1:4 ratio of soap to water. The sensor soap dispenser capacity is 13.5oz (400ml), a single addition of hand sanitizer can be used for a long time, not need to refill frequently.