The CONCEPT VR3520 3-in-1 REAL FORCE Laser Complete Clean Care UVC robot vacuum will be your handy helper. It'll make sure you keep your home clean easily. It's a robo-vacuum for for allergy sufferers, animal hair and antibacterial. It operates for 250 min at a full charge, thanks to its lithium-ion batteries. What's more, it automatically detects when to recharge, and it goes home to the charging station all on its own. A full charge cycle takes 4 hr(s). Air will be filtered through the hepa filter, foam filter and hepa h13 filter. This is certain to catch all impurities. The box for dust can handle a volume of 3 l, which is good enough for larger areas. This robot can even unload its impurities bin on its own if needed. This model is perfectly suited for all types of floorings, carpets, hard floors, soft surfaces, upholstery, for linoleum, wooden floors, floating floors and smooth floorings. Another nice feature of this robot vacuum cleaner is the schedule function. It'll allow you to easily set its working hours.