Product name: Mijia sweeping and dragging robot G1 Input voltage: 100-240V AC Input current: 0.6A MAX Wireless connection: Wi-Fi IEEE 802.11b/g/n 2.4GHz Output voltage: 20V Working voltage: 14.4V Output current: 1.2A Working time: about 90min (standard gear) Charging base model: G1 Rated power: 25W Rated output voltage: 20V Battery capacity rating: 2500mAh Rated output current: 1.2A Adapter model: BLJ24W200120P-CA