The Libertyware TRMDO550 Oven Thermometer features a 2-inch dial for easy readability and a temperature range of 150 to 550°F, ensuring precise monitoring of your oven's heat. Constructed with durable stainless steel housing, this thermometer is built to withstand high temperatures and provide long-lasting performance. It is NSF certified, guaranteeing its safety and reliability for professional and home kitchens alike.