Pricier products will provide you with a warning when the oven is preheated, but the Hamilton Beach doesn't—although it does have a charming ding when the timer is up. The oven cavity is roomy. It’s significant sufficient to fit a five.5-quart Le Creuset Dutch oven or a 6-quart Lodge Dutch https://allhealthmarket.com/product/highly-recommended/appliances/air-fryers/toaster-oven-air-fryer-toaster-oven-4-slice-convection-air-fryer-countertop-oven-reheat-fry-oil-free-stainless-steel-1500w-air-fryer-toaster/