Motor speed: 7.4V, 4100 soil 200 rpm Power on time: 3 hours Use time: about 60 minutes Battery certification: 7.4v. National standard 000 mAh, 1 certification 00 mAh, KC certification 2000 mAh Charger: 8.4VIA national certification is basically Function: 4/6 gear speed regulation, power ≤20w
