Usage Tips:Waterproof design: IPX6 waterproof design, washable, suitable for bathroom and kitchen Large caliber head: large calibrated liquid filling cap, refill liquid at any time, easy to clean. 'add liquid Suitable quantitative discharge: 1ml quantitative discharge, second discharge after 2 seconds interval Automatic liquid capture without pressure: detection distance is about 5cm , and the liquid can be quickly discharged in 0.26 seconds Suitable for a wide variety of washing liquids, quick and easy change. Capacity: 200 ml. Power mode: 4 AAA batteries (not included). Important note: the soap dispenser requires 4 AAA batteries. Automatic soap dispenser with IPX6 waterproofing and smart infrared sensor for quantitative liquid Enjoy maximum comfort and hygiene with this Ultra Clean soap dispenser. Just put your hand under the nozzle and the device releases a perfectly measured amount of soap. Automatic soap dispenser Features: Pump soap directly to wash your hands comfortably and easily. Fully automatic, touch-free operation helps prevent cross-infection. Using the easy-to-use sensor makes the sink a smart choice for household use in the bathroom. It is widely used in kitchens or offices, schools, hospitals, hotels and restaurants. Product features: Material: ABS + PC. Black color Dimensions: 70 x 94 x 188 mm. Sensor range: 0" ~ 2.75". Requires 4 AA batteries (not included). Contents: 1 soap dispenser. User manual: When installing, check the ?+ and ?- symbols on the battery and soap dispenser for correct installation. When using it for the first time , you have to press the soap dispenser two or three times to fill the straw with soap. Make sure the liquid cap is securely mounted, otherwise the liquid will flow out. If the soap dispenser cannot release the soap properly, please insert your hand into the soap dispenser nozzle, so that the straws interior to be able to come into contact with the air to release the soap. If the liquid level is low, please add liquid. Otherwise, the dispenser will not flow. When the light flashes, it means the battery is discharged.