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3 speed settings: the Avalon high velocity Twin reversible airflow window fan features 3 speed settings of low, medium and high. Select your comfort speed level with ease.Voltage:120 volts.Number of speeds:3
Max cool technology: this Twin fan features a built in thermostat with ranges from 60 to 80 degrees, and LED lights that help you visibly keep track of the temperature setting
Dual motors: this innovative double fan has two 9" fan heads with their own durable Copper motors. Copper motors are built to endure through all weather and situations
Expandable side panels: our dual window fan will fit into any window easily with its built in dual expandable side panels that can expand an additional 6.5 inches on either side
Reversible airflow fan: this double fan is uniquely designed to simultaneously operate for intake or exhaust purposes with its reversible blades. Dimensions are 24 x 12 x 4 inches

The Genesis High Velocity 9 Inch Window Fan with Thermostat and Max Cool Technology is a highly innovative window fan. The fan can be used as an intake fan or an exhaust fan. There are 2 expandable side panels allowing the perfect fit to any window frame up to 37 inches wide. Each side panel can extend up to 6.5 inches. There are also 2 removable legs to use the fan while standing on its own. There is a built-in thermostat with LED indicator lights to keep the fan at a comfortable setting. Each of the two 9 inch fan heads has its own independent durable copper motor. The dimensions are 24 x 12 x 4 inches. This is an energy saving device and is ETL approved for the utmost safety.