Thermohygrometer with heatstroke index indicator

1.Features Desk top digital room thermometer and hygrometer indicate current temperature and humidity, also shows the index of human heat stroke Working based on the therory of WBGT index, indicates the ambient living condition Alarm sounds when the pointer points the DANGEROUS stage Selectable read out temperature by Celsius and Fahrenheit Temperature and humidity maximum minimun auto memorize 2*1.5V AAA batteries will make it work well 2.Specifications Model#: DTH-08 Measuring range:-5~50 °C(123~122 °F ) / 25 ~ 95%RH Accuracy: ± 1°C (± 2°F) / ±3%RH Resolution: 0.1°C( 0.1°F) / 1%RH Power:3V Battery: 1.5V AAA * 2 pcs Body Size: 110*100*20 mm Net Weight:135g WGBT Chart Air Temperature WBGT Temperature Pointer Indicator Above 35C (95 F) Above 31C (87.8 F) Dangerous 31-35C (87.8-95 F) 28-31(82.4-87.8 F) Serious 28-31(82.4-87.8 F) 25-28C (77-82.4 F) Alert 24-28C (75.2-82.4 F) 21-25C (69.8-77 F) Attention Reach 24C (75.2 F) Reach 21C (69.8 F) Comfort WBGT:Wet Bulb Globe Temperature