Cleaning Performance Redefined! With new rotational airflow technology.1.3 Strong rotational air-flows for high cleaning efficiency with minimal loss of suction power throughout usage!2.Powerful motor delivering a vacuum pressure of 6 kPa and long run-time of 7 minutes per Ah3.Quick release dust-emptying function and washable dust cap provide an easy-to-clean toolWhy this tool?Ergonomic DesignFlexible Power SystemRotational AirflowFEATURES:Woodworking ? The professional power tools for woodworking from Bosch.