WT83 Mini Thermometer Hygrometer Digital LCD Display Humidity Temperature Tester

Humidity range: 0-RH. Wet bulb range: -20-50 ℃ (-4-122 ° F) ± 2 ℃. Temperature range: -20-70 ℃ (-4-158 ° F). Weight: 129.9g (including battery).

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