Infrared Smart Sensor: The automatic soap dispenser has a built-in precise infrared smart sensor and a detection time of only 0.5 seconds to filter out the liquid. Adjustable soap quantity: Soap dispenser automatically 1 ml is pumped out every time. If you need more, please keep your hands and wait for another 2 seconds until the amount of soap is pumped out again. IPX6 Waterproof: Non-contact soap dispenser with IP67 waterproof technology to prevent soap or water from effecting the circuit board. Visible window: Soap dispenser with a visible window reminds you to monitor the remaining liquid and refill the soap in time. Leak-proof: The sealed rubber material on the bottom of the electric soap dispenser with sensor prevents leakage of soap and prevents the dispenser from sliding around the worktop.