The CONCEPT VR3520 3-in-1 REAL FORCE Laser Complete Clean Care UVC robot vacuum will be your handy helper, guaranteeing that you keep your home clean easily. It's a robo-vacuum for for allergy sufferers, animal hair and antibacterial. It operates for 250 min when the battery is full, thanks to its Li-Ion batteries. In addition, it automatically knows when to recharge, and it goes home to the charging dock all on its own. The charging time is 4 hr(s). Air filtration is through the hepa filter, foam filter and hepa h13 filter. It's sure to catch all impurities. The box for dust is equipped to handle a volume of 3 l, which is good enough for larger areas. This robot can actually fully empty its dust bin on its own if it needs to. This model is ideal for all types of floorings, carpets, hard floors, soft surfaces, upholstery, for linoleum, wooden floors, floating floors and smooth floorings. Another advantage of the robot vacuum cleaner is its scheduling function. It'll allow you to easily program when it works.