Dual SensorsThis automatic soap dispenser features both an infrared motion sensor and a PIR sensor to make sure it doesn't miss a hand and effectively avoid false triggering. When you approach it,the screen will automatically light up and clearly show current time,temperature,remaining soap and power. Built-in infrared sensor chips will dispense foam timely and accurately once detecting a hand beneath. 3 Adjustable Volume LevelsThe manual adjustable volume control allows users to select between three different soap-volume levels(0.6s,1s,1.5s)per activation,meeting various dosage needs of adults and kids. IPX5 Waterproof design makes it suitable for damp environments like bathrooms and sinks. 450ML Large Capacity450ML large capacity helps reduce the hassle of adding liquid frequently. When the liquid is lower than 10%,there will be a low liquid reminder on the screen. What’.s more,we also send you a funnel for mess-free replenishment. Ordinary gel or liquid soap needs to be diluted with 3 times of water before pouring in. This dispenser also comes with an automatic cleaning function to avoid clogging and prolong its service life. 60 Days StandbyAfter being fully charged for 3hrs,the built-in 2000MA lithium battery will last for 60 days. When it& about to run out of power,there will be a power shortage reminder on the display,intuitive and convenient. Drill-free InstallationEquipped with an adhesive,this dispenser can be installed on the wall with no drilling to protect the wall. It’.s recommended to install the dispenser 15cm/5.9in away from the countertop. Suitable for homes,offices,schools,hotels,restaurants,and etc..