Item Type: Sweeping RobotMaterial: ABSBattery Voltage: 3.7VBattery: Li Polymer 1200mAh (Included)Noise: 40dbCharging Time: 3.5 HoursUse Time: 75 MinutesProduct Size: Approx. 21x5cm/8.3x2.0inGross Weight: Approx. 403g/14.2oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 13 IN 1: Vacuuming, sweeping and mopping in one, one key to start automatic cleaning of the whole house, efficient cleaning, clean more clean. 2LONGER BRUSHES: Robotic vacuum longer brushes double brush cleaning, deeper room corners more efficient, sweeping side seam attachment dust more easily. 3INTELLIGENT: Sweeping robot can be intelligent anti drop collision, accurate sensing in the home free sweeping, do not miss any corners, cleaning no dead ends. 4LOW NOISE: The decibel of robotic floor cleaner is 40db, the sound is very small, will not disturb your study work and sleep, you can rest assured that use. 5WIDE APPLICATION: Robot vacuum cleaner is suitable for a wide range of floors, easy to cope with the floor, tile, soft carpet, marble, etc.