CleanMate QQ-2 is your robotic vacuum cleaner that will sweep and vacuum so you don't have to. From short pile carpet to hardwood to tile, CleanMate handles a variety of surfaces with ease. It goes under beds and other places where upright vacuums can't go to clean dirt, dust, and pet hair while simultaneously killing bacteria and deodorizing with its ultraviolet light. CleanMate works about 60 minutes on a single charge. Roomba Discovery alternative. Main features: Automatically returns to dock for self-recharging when low on battery power Resumes cleaning after battery recharge completion Auto-off feature conserves power when unit is not in use and being recharging Compact size remote control which is embedded into upper cover 3 1/2 hours quick battery charging UV light provides disinfection Photo sensor detects stairs to avoid falling down Stop automatically and making warning beeping when wheel gets stuck Easy roller brush removal for cleaning Debris level is visible via dust bin window Five-step repetitive rotation movement provides the most effective way to clean your rooms Timer for cleaning time setting Built-in slot to put fragrance for odors removal Three washable filters to reduce cost of ownership Move out from underneath furniture (dark area) when it is low on power or has ended it's cleaning job NiMH 2500 mAh battery: 500+ recharging cycle Noise level: 80dB at distance of 20cm Suction capability: Vacuum fan speed 5.2 meter/second Capacity of dust bin: 0.3 liter Cleaning capability: 30 minutes at area of 4.8m x 3.2m Unit Dimension: 14"x3.6" Box Dimension: 22"(L)x6"(W)x17"(H) Shipping weight: 13 Lbs One year manufacturer warranty . QQ-2 upgradeRegular price: $199.00Sale price: $139.00Color: greenwhite