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TOTAL Digital Humidity&temperature Meter (TETHT23)
Ambient temperature:-20℃~60℃（-4℉~140℉）
Ambient humidity:0~99%RH
Web bulb temperature:-20℃~60℃（-4℉~140℉）
Dew point temperature: -50~60℃ (-58℉~140℉)
Automatic shutdown without operation for 30 minutes,
Backlight function
MAX/MIN function
Battery: 2x1.5V AAA battery
Packed by color box
