Specification Measuring range: temperature 0 degrees to 50.0 degrees (minimum display: 0.1 degrees), humidity 20-90 (minimum display: 1 ) temperature and humidity accuracy . Temperature: 10.0 degrees to 39.9 degrees 1 degree, it than 2 degrees and humidity: 30 69 5 , otherwise 10 (25 degrees at the time) body size (approx.): width 47 X depth 12.5 X height 82mm weight (about): 40g accessories: handling manual, battery (for trial coin-type lithium battery CR2032), strapMeasuring range humidity: 20 90 RH (minimum display: RH 1 ). Measuring range temperature: 0 50 ? (minimum display 0.1 ?). Display range of WBGT index: 0 ? 50 ? (minimum Display: 0.1 ?). Measurement items: temperature, humidity (relative humidity). Display item: heat stroke index (WBGT) aridity index (absolute humidity), temperature, humidity (relative humidity), time.