Fangrui Product Details 1. S2 Foam Soap Device Non-contact Household Use Full-automatic Hand Washing Machine 2. Smart Sensing, Hands-free, And More Hygienic 3. Infrared Induction, Three Grades Adjustment, Life Waterproof, Can Add Liquid, Delicate Foam 4. Sensitive And Quick To Bubble 5. Precise Control Of Soap And Air Mixture Ratio, Dense Fine Micron Foam, Clean Hands 6. One-button Operation, Easy And Convenient 7. Screen Display: Switch & Gear Display 8. Sensor Range: 10-60mm 9. Input Voltage: 5v1a 10. Operating Current: 450ma 11. Operating Power: 3w 12. Charging Time: About 1.5 Hours 13. Battery Capacity: 1200 Mah 14. Power: Usb Chargingbuilt-in Lithium-ion Battery 15. Absppsilicone 16. Volume: 300ml 17. Size: 122x70x190mm 18. Net Weight: 500g 19. Gross Weight: 530g 20. Note: The Product Contains Only Machine, Does Not Contain Other Liquid