The 4 inch high impact resin construction for durability. Precision made tube thermometer for accurate temperature readings. Bold Celsius and Fahrenheit scale in 2 degree temperature increments. Door or window mountable with wide mouth suction cups. Its minimum registering feature records the lowest temperature reached, aiding in protecting plants from freezing conditions. Fade resistant and the permacolor-filled solution for monitoring temperatures in various environments. | Taylor | | Tube Thermometer Plastic White 4 in. | Best Buy