Features: Mini Electronic Digital Refrigerator Thermograph (Magnetic) MC05 Accurately displays the temperature inside the refrigerator to help keep food safe. Small size with magnetic can be easily fixed inside the refrigerator Digital display is clear and easy to read, with a wide ranges of temperatures suitable for a variety of cold storage equipment. Suitable for home, office, student dormitory and other people who need to monitor the temperature of the refrigerator. Can be used in refrigerators, wine coolers, car coolers and other scenarios to ensure that food, medicine, drink and other items are stored at the right temperatures. Specifications: Component: ABS Battery: Not Included, Need To Prepare 1xCr2032 (3v) Battery Size:about L59.5mmxW60mmxH17.2mm/2.34x2.36x0.68in Type: MC05E Neutral / MC05E Neutral with External Wiring Package Includes: 1Set Digital Thermograph note: Due to the problem of lighting effect, there is certain tolerances in product, please understand. Please allow 0-1cm error due to the measurement.