Features: brand new and high quality 1.HIGH EFFICIENCY. This USB automatic vacuum with detachable dust box, lengthen brush, mopping cloth. Better sweeping for path design, shorten cleaning for time and improve efficiency. for Ideal for cleaning all kinds of hard floors/flat floors. 2.SUPPER THIN BODY. Thickness only 1.77inches, low-profile body allows the Robot Vacuum Cleaner reaches every corner and narrow space with ease. Intelligent induction, anti-fall, anti-collision. Easily clean about 90-120㎡ room. 3.for SMART CHIPS&LOW NOISE. Built-in for smart chips, automatic obstacle avoidance, clean without niose. 360 Degree driving, automatic sweeping, mopping, vacuuming, no dead ends. In addition, This auto vacuum cleaner with UV lights at the bottom, deeply and completely sterilize. All-in-one, for ideal for baby room, large room, meets all your cleaning needs. 4.USB RECHARGEABLE. Built-in rechargeable lithium-ion battery, cleaning performance for up to 80-90 mins. 1.5 hours quickly recharged. Quietly and silently thorough cleaning, easy to clean even when working, sleeping. 5.WIDE APPLICATION. Three types for you to choose. 2 motors; 4 motors; APP for smart control. All can provide perfect working performance. Suitable for all flat floors such as marble, hardwood floor, ceramic tile, wood floor, etc. It can deeply and completely clean dust, hair, biscuit crumbs, cereals, bacterial, etc. Specifications: Material: ABS+ Electronic Components Cleaning Method: Sweeping; Vaccum; Mopping; Sterilizing Type-A: Two Motors; Type-B: Four Motors; Type-C: APP for Smart Control; Charging Time: Approx. 1-2 hours Working Time: Approx. 80-90 Minutes Cleaning Area: Approx. 90-120㎡ Rated Voltage: 3.7V Rated Power: 8W Noise Level:≤ 55 db Dry/Wet: Yes Color: White; Black Size: Approx. 32x4.5cm/12.6x1.77in Weight: Approx. 1250g Package Includes: 1 Set Robot Vacuum Cleaner note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!