● Measurement Item: WBGT index, ambient temperature, humidity measurement range: WBGT index from 0 to 50 degrees, ambient temperature from 0 to 50 degrees, humidity from 20 to 90% ● WBGT alarm setting range: WBGT index 20 to 50 degrees power supply: DC3 x ((Battery CR2032 x 1 PCs)/about 3 months (1 when used 4 hours per day) ● Accessories: Carabiner, hanging attachment, battery lid for tripod mounting, Driver