The Lasko 2033858 Twin Window Fan Remote Control is a replacement remote designed for the Lasko W09550 Electrically Reversible Twin Window Fan. This remote works with compatible Lasko twin window fan units and allows convenient control of fan functions such as speed and directional airflow from across the room. It operates the fan directly without the need for programming when used with compatible models and is intended only for use with supported Lasko window fan units.