The large 40cm 16 inch tefal harmony desk fan will keep you cool this summer its 3 blades provide good airflow and its automatic oscillation will allow you to cool a whole room using the quiet night mode the fan stays as silent as possible to allow you to sleep in peace 55 watt motor large 40cm 16 inch diameter airflow 65m3 min speeds 3 night mode automatic oscillation black blue blades