Hangs or rests on the oven rack. Shatter-proof lens. Fahrenheit and Celsius measurements. Use with Care: This oven thermometer is great for calibrating your oven for better baking results. Hangs or rests on the rack inside the oven for easy use. Wipe clean with a damp cloth; never submerse in water or clean in the dishwasher. Satisfaction guarantee. Find recipes at goodcook.com. Made in China.