Unique feature: rotating clip/Stand adjusts to fit on most oven racks, adjustable for best reading angles. Accuracy: precision calibration to ensure fluctuating oven temperatures are managed properly for consistent results. Construction: Safety glass lens and food grade stainless steel are durable and strong. Temperature range: 100°f to 600°F/40°c to 320°c Cleaning: Hand wash only. Do not immerse in water or put in dishwasher. For best results, wipe with a damp cloth and Dry thoroughly.