roborock A20 Floor Washer [3-Sided Edge Cleaning, High-Temperature Hot Water Auto-Cleaning] Smart Drying, Vacuuming, Mopping, and Sweeping Robot

Assistance Method: Unidirectional Assistance Water Runtime: 31-45 minutes Battery Runtime: 30-45 minutes Charging Time: Over 5 hours Adjustment Method: Smart Adjustment Motor Type: Brushless Motor Edge Cleaning: Omnidirectional Edge Cleaning Type: Cordless Floor Washer Drying Duration: 6-15 minutes Height When Lying Flat: 14-15 cm Lying Flat Angle: 180° Flat Special Features: Anti-Tangle Hair Design, Sterilization, 180° Flat Lying, One-Touch Self-Cleaning, Dry-Wet Waste Separation