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TOTAL Digital Humidity and Temperature Meter (TETHT01)
Ambient temperature:-20℃~60℃（-4℉~140℉）
Ambient humidity:0~100%
Web bulb temperature:-20℃~60℃（-4℉~140℉）
Dew point temperature:-20℃~60℃（-4℉~140℉）
With backlight function
With lower battery indication function
