4x Digital Lcd Thermometer Temperature Monitor With External Probe For Fridge Freezer Refrigerator Aquarium (4x Black) Thlevel digital LCD thermometer modeling simple, elegant, LCD display, moisture resistant, strong interference suppression, applies to refrigerators, counters and other needs of temperature measurement. Temperature range: -50~ + 110, operating temperature: -10~ + 50, temperature measurement accuracy: 1.0 . You can see the current room climate and use a humidifier to adjust the temperature and humidity of the room as required. Battery: two LR44 button batteries, size: 48 * 28 * 15 mm. The small and portable temperature is suitable for every scene. In addition, its beautiful and stylish look is also the beautiful room decoration. Home Temperature Monitor: This portable thermometer measures and indoor temperature, helping you to know the indoor air conditions. Become the ideal choice for your personal and professional life. It can also be used for test objects' temperature through the metal sensor. Thanks to its small body and its square shape, the device can be placed anywhere unobtrusively for easy reading of the display.