visible window acts as a reminder to monitoring liquid remaining and get in time to refill the soap. Specifications: Color: Light Brown; Dark Brown; Silver(This has no stripes, the picture is reflective); Blue (Optional) Material: ABS Style: Modern Use mode: Infrared Induction Induction distance: 2-3inch Capacity: 300mL Waterproof: IPX6 Temperature: 3-40 Working Voltage: DC 6V Power Supply: 4*AAA Battery(Not Included) Occasion: Kitchen, Bathroom, Hotel, Bank, Hospital, etc Product Size: 7.2*14.2*22cm / 2.83*5.59*8.66inch Package Size: 14.5*7.5*22.3cm / 5.7*2.95*8.77inch Package Weight: 333g / 0.73lb Package List: 1 * Automatic Soap Dispenser 1 * User Guide Cautions #xff1a; 1. Please follow the instructions or the product itself to properly install the battery with sufficient power, otherwise, the soap dispenser will not work. 2. Please make sure the liquid cover is well mounted. Otherwise, the liquid will come out. 3. Do not use soap that is too viscous, otherwise, it will not be smooth or cannot be discharged; too thick soap can be diluted by adding an appropriate amount of water before use. 4. When using for the first time, you can use the water test to remove the internal air. 5. For the first time you use, please try a few times first. Then the liquid will fill the hose and come out. 6. When the light is flashing, it means the battery low. Please change the batteries. 7. When it is not used for a long time, please check whether the internal soap liquid has deteriorated. The deteriorated soap liquid may cause the outlet to be blocked and the liquid cannot be discharged. 8. Please do NOT shake the devices to avoid any serious damage. 9. The product will be tested before leaving the factory. It is normal when you receive the product with water drops.