Materials: ABS, POM Input Voltage: 100-240V Output Voltage: 24V DC Voltage of battery : 14.4V Li batttery Unit Average Power : 45W~ 60W Suction power : 10-15 W Airflow : 100 dm3/m Dust capacity : 1L Battery Capacity : 2000mAh Charge Time: 3-4 hrs Working time: 60 minutes