Otto’s sleek profile and matte finish look great in any kitchen, bathroom or entryway space. The innovative sensor pump technology automatically dispenses a fixed amount of liquid soap – not too much, not too little - helping reduce waste and saving you money on supply costs. Otto’s fluid level indicator window lets you see when it’s time to refill and the large, top-load refill opening makes topping it up quick and easy. Operating on four aaa batteries (not included) Features: Sensor Wash Measurements: 10 Length\Inches, 4.5 Width\Inches Base Material: 75% Acrylonitrile Butadiene Styrene, 25% Resin Care: Wipe Clean Home Accessories Type: Soap Dispensers Country of Origin: Imported Umbra Otto 8.5oz. Automatic Soap Dispenser