Thermocare Digital Freezer Thermometer is very easy operation and Jumbo Dispaly. Digital Batteries: LR44 coin cell (Easily available) Temperature range: -50 to 100 °C. Wired sensor for easy handling Humidity: 5% to 80% Resolution: 0.1 °C Display unit: Celsius Dimension: 46 x 26 x 15 mm Display size: 34 x 15 mm Sensor cable length: 1 meter