This inexpensive refrigerator thermometers switchable range is from 32°F to 113°F and 0°C to 45°C with a resolution of 0.1°. Accuracy is ±1°C in the range of 5°C to 25°C and ±1.5°C outside range. Always-hold secure suction cup and Velcro® allow unit to be located anywhere. This allows capturing a reading without any effect from an open refrigerator door. Remarkable, clear-view display updates every 30 seconds.