Features: 100% brand new and high quality LCD digitaltemperature and humidity display meter with external probe. It can measure the humidity in the range of10%~99%, and temperature from -50 to 70 precisely, offering a comfortable living surrounding for your petor reptiles. Integrated the thermometer and hygrometerin one meter, it is convenient to use and can be used for a long time. LCD digital screen displays the numberclearly for easy reading. Comes with an external probe to ensure maximum accuracy. Perfect for use in incubators, brooders,cigar room and other places where you want. Specifications: Condition: 100% Brand New Material: Plastic Shell Shell Color: White Humidity Measuring Range: 10%~99% Humidity Resolution: 1% RH Humidity Accuracy: 5%RH Temperature Measuring Range: -50~70 Temperature Accuracy: 1 Celsius Built in Battery: 2 * DC 1.5V LR44 ButtonBatteries Product Size: Approx. 4.8*2.9*1.6cm/1.88*1.1*0.6in LCD Screen Size: Approx. 3.6*1.7cm/1.4*0.66in Weight: Approx. 42g Package included: 1 * Thermometers & Hygrometers (2 in 1) .