Features: Can switch the display Celsius or Fahrenheit Memory or remove the maximum / minimum temperature and humidity Switch Date / Time / weeks / sec display With clock function Lightweight Easy to use Specifications: Model: TA218A Calendar Display Range: January 1, 2000 to December 31, 2049 Time Display: 12/24 hour clock Outdoor Temperature Range: -10C to 70C(14F to 158F) Intdoor Temperature Range: 0C to 50C Resolution : 0.1C Accuracy : +/- 1C Humidity Range: 10%RH to 99%RH Resolution: 1%RH Accuracy: +/- 5% Sensor Wire: 1.5m Power Supply: 1 * 1.5V AAA battery(battery NOT included) LCD Screen: 80 * 76mm Dimensions: 98 * 122 * 24mm Package includes: 1 * Temperature Hygrometer 1 * 1.5m Sensor Wire