Intervals and an operating time of 2-24 hrs. DO NOT COVER the Air Intake Vent or Air Outlet Vent while the air fryer is operating. Doing so will prevent even cooking and may damage the Unit or cause it to overheat. Same results as others, after a few months unit will not heat beyond 275… Continue reading MOOSOO Air Fryer Convection Oven Cookbook: Effortless, Delicious & Crispy Recipes and Easy Cooking Techniques for Your MOOSOO Air Fryer Convection Oven by Hounilo Jarne