[Advanced Timing Function] This upgraded refrigerator thermometer includes a timing function to monitor the duration and temperature since the last reset. Ideal for unmarked products, ensuring precise temperature monitoring at specific intervals. [Wide Temperature Range] Experience precise temperature readings from -30℃ to 60℃ (-22℉ to 140℉) with an accuracy of ±1°C and a resolution of 0.1°C. This 2-pack allows for simultaneous use in both your fridge and freezer, enhancing food safety and storage efficiency. [Clear 2.25IN HD Display] Equipped with a large 2.25-inch high-definition screen, this fridge thermometer provides easy-to-read digital displays of temperature and timer settings. Switch between °F and °C effortlessly, ensuring quick and accurate temperature monitoring. [IPX5 Waterproof & ] With an IPX5 waterproof rating, this robust thermometer withstands moisture, heat, and cold. Its compact design offers flexible placement options - stand it on a shelf, hang it, or use the magnetic back to attach it directly to your refrigerator. [Innovative Battery Compartment] Featuring a ly designed battery bin, this thermometer ensures long-lasting battery life with easy access for replacement. The secure compartment design prevents common issues with battery installation and maintenance. Color:Black Material:ABS Package Contents: 2 * Temperature detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.