The Libertyware TRMDR80 Refrigerator/Freezer Thermometer features a 2-inch dial for easy readability. It accurately measures temperatures ranging from -20 to 80°F, ensuring optimal food storage conditions. Constructed with durable stainless steel housing, this thermometer is built to withstand the rigors of a commercial kitchen. It is NSF certified, guaranteeing compliance with health and safety standards. Ideal for both home and professional use, it helps maintain food safety and quality.