Feature: 1. Automatic sensing, hand washing liquid drips out when you reach out, easy to use 2. Waterproof and moisture-proof, not easy falling. 3. Strong load capacity, suitable for various wall surface.Specifications: Item Type: Automatic Foaming Soap Dispenser Work Mode: Automatic infrared sensing, touchless Power Supply: 3 AA batteries (battery not included) Capacity: 250ml Material: ABS Weight: 240g Product Size: 10x6x20cmPackage Includes: 1x Automatic Foaming Soap Dispenser (Hand Soap Not Included) 1x User ManualNOTE: 1. Touch lightly power button one time to switch, the blue/red LED indicator light means turn on/off.(The bubble will be out approx. for 3-4s for each time when it get the infrared sensor.If the bubble pump out continually,you could turn off the button "M" first then reset it.) 2. If Red indicator light flashes, please kindly check whether the batteries are installed correctly! And try to reinstall new batteries several seconds later! 3. When the liquid level is low, please add liquid. Otherwise the dispenser will not pump out any liquid 4. If your liquid is too thick, you need to dilute it with water. 5. If you want to add more liquid,please pree the soap volume bottle the take off it.