【Battery Soap Dispenser Automatic】 This soap dispensers featured with smart motion infrared sensor, which provides you a sanitary, no-touch and easy-to-use experience. 2-3 inches is the best sensor distance to avoid the second cross-infection. Silicon valve creates seal preventing messy drips. Warm tips: If hands free soap dispenser liquid comes out too little too slow or does not dispense, we recommend that you replace it with a sparser soap liquid. 【Care and Maintenance】Store the product in a cool and dry place, away from direct sunlight or close to heat sources. If you plan to do not use soap dispenser for a long time. Please turn off the power and fill the water tank with clean water, induction and cleaning, do not leave residual hand sanitizer, avoid blocking the nozzle after drying. 【Waterproof Design】 Our soap dispenser kitchen body adopts high quality ABS + PC, six-level waterproof design. The waterproof base protects the battery case from water, prevent circuit board corrosion by soap or water for excellent waterproof function. 【Energy Saving & Low Noise】 Our electric soap dispenser with sensor has low power consumption and low noise and automatically goes into standby after the induction time is exceeded. According to professional tests, ordinary batteries can be used more than 6000 times. Only 4 AAA batteries are needed (batteries not included). 【Visual Liquid Level & Humanised Design】 This battery soap dispenser automatic has a viewing window on the front that shows the liquid level. You can add hand sanitizer in time. Touchless soap dispenser can refill many times and it's a 400ML smart design. Bionic arc design, 13.5 degree inclination, all are user-friendly and humanized design. Easy and funny to use even for a child or an old people.