The Frigidaire FPBM3077RF over-the-range microwave doubles as a hood and offers 4 levels of ventilation depending on your needs turbo, high, medium, and low. The fan is capable of moving up to 400 CuFt of air per minute. With the adjustable timer now you can adjust the cooking time of your dish while its cooking. It also allows you to add or remove 5 seconds on the timer. See the power with the PowerBright® Interior LED Light. See the results in action. LED interior microwave light stays on while your dish cooks.