describe:1. All-round attractive cleaning, low noise cleaning without noise, durable2. Suitable for tile floor, marble floor, wood floor3. Ultra-thin design, wider cleaning range, equipped with a detachable dust box, detachable for cleaning.4. Easy to operate, just press the button to scan automatically.5. Intelligent automatic detection. Obstacles will automatically change direction.Specification:Dimensions: 23x23x6.5 cm/ 9.1x9.1x2.56 inchesColour: grey, whiteCleaning route: randomRated voltage: 36vRated power: 5wRated frequency: 50ahnApplicable area: 70-90 square metersPackage Included:Velcro*16A pack of electrostatic cotton *201 x USB charging cablenotes:1. Please allow slight errors due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the color of the item. Thank you!3. I wish you a happy online shopping!