Intelligent Sweeping Robot Electric Vacuum Cleaner $ 56.69 Product Information: Color: Black and green Working time: 60~90min Specification: 275* 65mm Operating temperature range: -10C~45C Working voltage: 7.4v Working humidity range: 90%RH Rated power: 7w Dust box: about 350ml Battery capacity: 1800mAh Noise: About 45dB Charging time: 3~4h
