Specification: Material: ABS plastic Charging: USB charging Color: Black Product size:25cmx25cmx6.5cm/9.84"x9.84"x2.56" Weight：730g Working voltage: 3.7V/1500mAh Working noise: about 60dB Battery capacity: 1500 mA Charging time: about 4 hours (USB charging) Life time: about 30 minutes Way of walking: steering obstructed mode: mopping and spraying Cleaning mode: automatic.
eBay