High Accuracy & Wide Measuring Range: Indoor temperature range: -4 to 158 (-20 to 70 ), outdoor temperature range: -58 F to 158 F (-50 C to 70 C), and humidity range: 10% to 99%. Temperature accuracy is 1.8 (1 ), and humidity accuracy is 5% RH. (WET: humidity > 70%; COM: 40% humidity 70% & 20C Temperature 28C; DRY: humidity < 40%).
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