A. This automatic soap dispenser is equipped with precise infrared sensing and PIR sensor detection technology. The high - efficiency pump head can dispense soap in about 2 seconds, with a soap output of around 1 milliliter each time. If you need more soap, just place your hand under the sensor and wait for about 2 seconds. B. This contactless soap dispenser features an IP67 - grade waterproof design. The whole machine can be washed, which may prevent the battery box from being corroded by water. The bottom design has relatively strong sealing performance. C. This kitchen soap dispenser can hold approximately 400 milliliters of liquid soap. The visible scale on the soap bottle can give a prompt when it's time to add soap. The contactless soap dispenser can be used in kitchens, bathrooms, hotels, hospitals and other places, and can be compatible with most liquids. D. This automatic soap dispenser requires 4 AAA batteries (batteries are not included in the product). When installing, please confirm the positive and negative pole marks on the batteries and the soap dispenser before installation. This product can also use rechargeable batteries. E. Note: When using it for the first time, you may need to perform 2 - 3 induction operations on the contactless soap dispenser to suck the soap into the straw. It is suitable for various regular dishwashing detergents, liquid soaps, etc., and the liquid outlet is less likely to be blocked. F. Color: Silver G. Material: ABS H. Package contents: - 1 soap dispenser Only the above - mentioned items are included in the package, and other products are not included. I. Note: Due to light reflection and different displays, the color of the product may vary slightly from the actual item. The allowable size error is about ±1 - 3 cm.