CDN RFL80 Refrigerator/Freezer Thermometer and Hygrometer, -10 Degree F to +80 Degree F/-23 Degree C to +26 Degree C, 12" Diameter Face, Large Measurement range: -10 to +80f/-23 to +26c For monitoring temperature and humidity 12"/30.5 cm diameter face; n lens; ABS plastic Target range indication; color-coded scale; extra big digit; temperature guide on digital Hang; 5-year limited warranty