Description: 【Multifunctional】: This device simultaneously displays the WBGT (Wet Bulb Globe Temperature), (Heat Index), temperature, and humidity, making it an essential tool for monitor heat both indoors and outdoors 【Feature】: Equipped with programmable audible and visual WGBT and Heat Index alarms, The alarm volume can be adjusted between 75 dB, 60 dB, or silent mode to suit different environments 【Design】: Features 4 Indicators display heat alert level (Caution, Extreme Caution, Danger, Extreme Danger) 【Wide Measuring Range】The Heat Meter can measure Air Temperature: 0~50°C (32~122°F), Hygrometer: 0.1~99.9%RH, WBGT Temperature: 0~50°C (32~122°F), Alarm Range: 20~50°C (68~122°F), Temperature: 0~60°C (32~140°F), Alarm Range: 20~60°C (68~140°F) 【Applicable Scenes】: Digital thermometer hygrometer are used for a wide range of applications, including industry, agriculture, meteorology, daily life, building engineering, and data storeroom Specification: Material: PP Size Chart: 6cmx7cmx2.2cm/2.36inchx2.76inchx0.87inch Package Includes: 1 Heat WBGT Meter Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.