Models with 2 inch diameter dial come in a wide variety of ranges to suit more applications, and the larger size is easier to see from far away. What's included: pan/beaker clip (90001-03 only). no more inaccurate temperature readings calibrate thermometer yourself for greater accuracy three-point calibration ensures ±2° accuracy across entire range stainless steel 8 inch stem features a Dimple indicating how deep to insert for the most accurate result.