Smart Floor Sweeping Robot Dust Catcher Automatic Cleaning Electric Vacuum Cleaner Features: - Powerful cleaning - Universal wheel automatically changes direction when encounters obstacle - Low decibel, ultra-thin body can easily enter the bottom of the sofa and the bottom of the bed Specifications: Material: ABS+ electronic components Size: 23cm*23cm*6.5cm/9.06*9.06*2.56" Function: clean, free hands Power supply: 4 x AA batteries (NOT included) Cleaning method: attach a disposable sponge to the bottom Color: black / white Notes: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 x Floor Sweeping Robot 20 x Disposable Sponges 16 x Stickers