Used Once to verify it works. If my post is still up, its still available!! :)  LATEST 2 IN 1 DESIGN]- vacuuming & wet/dry mopping. Yes, you just need one vacuum cleaner, thorough clean. Rotate to catch dirt and debris in corners and on hard wood floor, no dead end; Bottom rag design allows easily wipe water stain and mopping. [TOP NOTCH PERFORMANCE]- The robot vaccum cleaner adopts 360°anti-collision and comprehensive, intelligent drop sensor safety technology, the body is made of durable ABS for protection. This robotic vacuum is perfect for cleaning from hard wood floor to low pile carpet. Robotic vacuum cleaner provides strong suction both on floors and carpet, with the maximum run-time 90 minutes, noise level is less than 55 db. [ALL UNDER ULTRA THIN DESIGN]- The ultra-thin robotic vacuum cleaner is unique from other traditional robot vacuum. After optimizing the height and thickness of each part, it is re-integrated and arranged to avoid stacking parts. Its 70mm low-profile body means the robotic vacuum could work under furniture and chairs along with every nook, cranny and sticky mat. It could easily drill into small gaps in the TV cabinet, sofa, and bed. [3-POINT CLEANING SYSTEM]- Triple filter (washable Pre-filter/Sponge/ High-efficiency filter), dual side brushes, and powerful suction ensure a thorough clean. That design of our robotic vacuum cleaner could easily clean life's various messes, different floors, evenly cleaned, whether it is flooring, marble, or carpet. Meanwhile, for animal pet hair, the human hair is easily cleaned, effectively preventing the spread of bacteria, giving the home a healthy and space-purifying environment. [MARATHON CAPACITY]- A large dust box holds more dirt per clean and reduces the frequency of emptying. Uses drop-sensing technology to prevent it from falling down stairs and off of ledges. Built-in 1200mAh rechargeable battery, powerd by USB cable.this robot vacuum cleaner can work up to 90 minutes when fully charged