Upgrade your fridge and freezer management with this digital wireless thermometer. It features a Swiss - made sensirion sensor, providing accurate temperature readings from - 40 ºF to + 158 ºF with an accuracy of +/-1.8 ºF. The 90 DB alarm alerts you when the temperature goes out of the preset range, helping you detect spoiled food in time. With a 4.5 in. display and adjustable backlight, it's easy to read. The thermometer has a back magnet, foldable stand, and hanging hole, suitable for different usage scenarios in homes and restaurants. Advanced wireless technology allows for data transmission up to 328 ft./100 M, updating every 30 seconds. It also records max - min temperatures in 24- hour or all - time modes. The package includes a display screen, 2 sensors with hooks, and a USB cable. Its compact size of 5.55 x 4.02 x 2.8 in. makes it a perfect addition to your kitchen. Material: Plastic.