... low noise (lowest level among this industry) LCD screen and touch buttons Schedule work, "full go" cleaning, speed ... Non-collision bumper with better performance Sweeping, vacuuming, mopping and disinfection (4 in 1) Detailed Character: 1. Automatically ... cleaning head automatically traverses uneven floor transitions as it cleans carpet, Hardwood, linoleum, and tile. Specification: Main material: ABS ...