【Simple Design and Easy to Use】Refrigerator and freezer thermometer simple and elegant screen modeling, moisture-proof, strong anti-interference. The screen allows you to easily read the numbers. 【Temperature Range】Digital thermometer with probe temperature measurement range: -50 °C ~ +110 °C. Working temperature: -10 °C ~ + 50 °C. Temperature measurement accuracy: ± 1 °C. Storage temperature: -10 °C ~ + 60 °C. Small and portable: The refrigerator thermometer can detect the temperature of an object via a metal sensor. Due to its compact body and square shape, the device can be placed comfortably anywhere to make it easy to read the screen. 【Widely Used】 Aquarium thermometer suitable for refrigerators, air conditioning rooms, display counters, baby bath water, aquarium water, car and other temperature measurement needs. 【Product Size】 Freezer thermometer waterproof probe length: 1 m. Power source: 2 x LR44 1.5 V button batteries (included). 4.8 x 2.8 x 1.5 cm.