With Its 3-Way Venting System You Can Ensure That Any Smoke From The Range Is Dealt With Properly. Top, Rear And Re-Circulating 2 Speed, 300 Cfm Vent Fan Comes With Pre Installed Charcoal Filters. From Time To Time We Get Distracted And Forget The Food In The Oven, This Unit Will Automatically Begin To Vent Any Smoke It Detects, Should You Forget To Turn The Fan On. Its Not Just A Fantastic Venting System, This Microwave Comes Loaded With Features. With Five Built In Cooking Settings, Potato, Pizza, Meat, Vegetables And The Classic Popcorn, Youre Guaranteed To Get Perfectly Cooked Food With Danbys Sensor Cooking. The Sensor Detects Humidity And Turns Off At The Exact Point When Cooking Is Done. The Sensor Will Also Work For Reheating Food And Beverages. With A Soften/Melt Option You Can Get Your Butter Just Right For Baking, Or Your Ice-Cream For Eating. If Youre In A Rush You Can Defrost Your Food Based On Weight Or Time. For Some Added Safety This Unit Comes With A Child Lock To Prevent Little Fingers From Playing With The Buttons.