This product has a wide temperature measurement range: -50 C ~ 70 C (-58 F ~ 158 F), temperature accuracy: 0.5 C. Measures humidity: 10% RH ~ 99% RH, humidity precision. Precision : 3%. Bright black control panel with 2.3 inch LCD screen for clear viewing of digital displays. So you can clearly read the temperature and humidity even at long distance. 3 mounting modes: The mini hygrometer inside is available for table, wall and magnetic mounting. Plus, it's small and light enough to save space. The simple one-button design of the thermometer makes operation more elegant and refined. The displayed temperature in C and F can be changed at the push of a button. Specifications: Color: black Size: 58x45x14mm / 2.28x1.77x0.55 inch Power source: button cell battery Net weight: 41g Package contents: 1 set thermo-hygrometer. Note: this does not include other things, the color is based on the first picture, and the other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!