* One display shows inside humidity and temperature. * Memory for highest and lowest temperature and humidity. * 2 key operation: MAX/MIN , RESET * C / F sliding switch at the back of the instrument. * Measuring ranger: Temperature : -10℃/14℉~ 60℃/140℉ Humidity: 20%~95%(RH) * Resolution: 0.1℃(0.1℉) , 1% * Accuracy: Temperature: +/-1.0℃/1.8℉ within 0℃~50℃(32℉~122℉), +/-2.0℃/3.6℉otherwise. Humidity: +/-5%RH(at 25℃,40%~85%) * Features for hanging and standing purpose. * Unit size: 110(L)x70 (W)x20(T)mm * Display size: up and down is all 34x28mm * 1.5V AAA(7#) battery enclosed
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