Pack of 4 Refrigerator - Freezer Thermometers, Refrigerator Thermometer, Freezer Thermometer, Dual Temperature Display, Centigrade and Fahrenheit Displays, Suction Cups Included Temperature range ( -20F to 80F / -30C to 30C ) Dual temperature display (F and C) Hang from a rack or use suction cup 4 suction cups included Package includes 4 thermometers with 4 suction cups. Clean with a damp cloth