Specifications Description *Automatically cleans your floor while you enjoy life They can automatically sweep after charge, and they have automatically sweep at a set working time status, you can sit at the sofa feel free to order them by telecontroler. * Stair avoidance detector * Virtual wall detector * It keeps your floor clean between periodic deep vacuuming, * Self-adjusting cleaning head automatically traverses uneven floor transitions as it cleans carpet, hardwood, linoleum, and tile. * Easily slide out the bag-less particle bin to discard the dirt that it picked up