The only robot cleaner that can vacuum, sweep and santinize all in one step. 5 pre-programmed patterns provide effective cleaning results UV light provides disinfection for your floor and kills bacteria, germs and allergens while cleaning Work well on hardwood, tile, linoleum floor and low profile carpets, Battery charges up in 3 hours and last for up to 80 min. Kindly refer the troubleshooting steps & User Manual & Warranty for guidance.