Robot vacuum cleaner is a good cleaning helper which will vacuum and sweep automatically on various floor like hardwood, tile, short pile carpet, linoleum and stone after you turn on it. It goes easily under beds, cabinets and corners to clean the dirt, dust, pet hair and other debris from your carpet and hard floors. During cleaning it can kill the bacteria with its particular ultraviolet light, also can release aroma when installing a fragrance. It comes with a charging station and it will go back to charge itself automatically when the rechargeable battery is going to finish. It can be control by remote, product comes with CE and RoHS certificate. We guarantee one year warranty. Following please find the features and technical information: -- Applicable for different kinds of dry floor types, except shag, deep pile carpet -- Touchable bumper can easily avoid obstacle, avoid geting stuck -- Ultraviolet light attached at the bottom for disinfection -- Both LCD control panel and remote control to operate -- Three stair sensors detect stair avoid falling off -- "Built-in compartment to add fragrance (actual fragrance is purchased by consumer separately)" -- Five cleaning modes: Special bounce, Spiral, Along wall side, S shape, Polygonal -- Pastic dust bin is quickly and easily to be cleaned -- Colorful sidelight blink when working in dark area -- With charging station and recharge automatically -- LCD pancel shows operation status -- One year warranty -- CE, RoHS certificate -- Loading quantity: 640/1280/1600pcs per 20'/40'/40'HQ