1. Features:
◆ large-screen LCD display temperature and humidity
◆ hygrometer memory function.
◆ memory clear function.
◆ Celsius Fahrenheit conversion.
2. Technical parameters:
◆ Temperature measuring range: -50 ° C ~ + 70 ° C (-58 ° F ~ + 158 ° F)
    Humidity measuring range: 10% to 99%
◆ Temperature measurement accuracy: ± 1 ℃
   Humidity measurement accuracy: ± 5%
◆ temperature Debate rate: 0.1 ℃， humidity resolution: 1%
◆ Power: 1.5V 1 Ge LR1130.
◆ Size: 88.0 * 48.5 * 11.5mm
◆ Panel hole size: 88.5 * 49.0mm

4， the operating instructions:
   Front MAX / MIN button to view the maximum or minimum temperature and humidity memory，
   In the MAX / MIN RESET Clear History button state maximum and minimum temperatures.
   ℃ / ℉ switches used to select ℃ or ℉ two different temperature units