Reduce the amount of detergent and water needed with ec-H20 NanoClean® technology. Powered by BrainOS® artificial intelligence and robotic technology platform. Cleaning path: 20"/650mm; Recovery tank: 20 Gal.; Solution tank: 20 Gal. Pad RPMS: Up to 215 rpm; Charger type: off-board; Application: Indoor. Estimated coverage/productivity: Up to 33440 sq ft.; Estimated run time: Up to 4 hours. Main down pressure: Up to 62 lbs. (low), Up to 90 lbs (high); Power source: 225AH C/20. Sound level: As low as 70 dBA; HydroLink® battery watering system. SOFTWARE PACKAGE REQUIRED (Not Included).