Automatic:The soap dispenser with a built-in sensor can automatically identify the closed hand and give liquid soap out. No need to press the button for your wet hands, you can get liquid soap quickly and efficiently. 5cm is the best distance sensor. Put your hands under the socket for a while, then the soap dispenser will release 1ml of liquid soap from time to time. Transparent window:The soap dispenser is designed with a clear window on its body, which is convenient to show the inside of the liquid soap volume in real time, avoiding short liquid soap problem. Battery powered:The soap dispenser is powered by four pieces of AAA batteries (not included), no limitation of the power cord, which is convenient to place in any place you like. Simple appearance:The soap dispenser is made of high quality plastic material, strong and durable, own using long lifespan. In addition, the soap dispenser is shaped in simple and minimalist style, and classic. Scope of:The soap dispenser is widely suitable for restaurant, hotel, kitchen, bathroom, hospital and so on. Colour:Red Material:plastic Package Contents: 1 * soap dispenser Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.