â·ÃÊͺ¶ÒÁÃÒ¤Ò The Extech 445702 hygro-thermometer clock features an attractive design for desktop or wall mounting. There are three LCD displays of time, temperature and humidity. 445702: Hygro-Thermometer Clock Combines 3 displays for Time, Temperature, and Humidity Features: Clock displays 12/24 hour time Max/Min with "reset" function Humidity: 10 to 85% Temp: 14 to 140°F or -10 to 60°C Accuracy: ±6%RH; ±1.8°F, ±1°C Specifications: Temperature Range 14 to 140°F (-10 to 60°C) Temperature Accuracy 1.8°F/1°C Temperature Resolution 1° Alarm Set 12/24 hour Clock with alarm function Sensor Type Internal Temperature & Humidity Sensors Operation Environment Indoor Dimensions / Weight Dimensions 4.3 x 2.8 x 0.8” (109 x 71 x 20mm) Weight 4oz (113g) Power Supply AAA battery Units Temp: Fahrenheit / Celsius Relative Humidity: %RH Complete With Complete with built-in tilt stand, wall mounting bracket and AAA battery Display Three LCD displays of Time, Temperature and Humidity Additional Information With user settable clock alarm 445702 Extech Humidity Temperature Thermo-Hygrometer Thermometer à¤Ã×èͧÇÑ´ÍسËÀÙÁÔ ¤ÇÒÁª×é¹