Refrigerator / Freezer Thermometer ? NSF Certified Range: -20? to 70?F / -30? to 20?C. Dial: 2.875 in. Safe temp. zones and HACCP cold storage reminders. Dishwasher safe. Stand or hanger mounting. UPC 854202006083 Baking & Roasting Temperature Reference Baking and roasting temperature zones are clearly indicated on the dial for quick reference. NSF Certified The manufacturing process of this product is regularly checked and certified by the National Sanitation Foundation and meets the highest standards for public health protection. HACCP Guidelines Hot foods holding temperature and hot foods cooling guidelines clearly indicated on the dial for food safety and quick reference. Clear & Easy to Read Dial The clear dial display is easy to read and features both fahrenheit and celsius measurements. Stand or Hang from Oven Rack Stand the thermometer on a rack or hang it from a rack oriented in either a parallel or perpendicular direction. Oven Safe The durable stainless steel construction allows the thermometer to be left in an oven or grill to measure internal air temperatures. Dishwasher Safe The premium stainless steel construction is durable and dishwasher safe.