This digital thermometer hygrometer can measure temperature and humidity simultaneously. With large LCD display makes it easy to read the data, and it can display the current humidity, temperature, trend and comfort levels(dry/comfort/wet), and record maximum and minimum humidity/temperature.
Features:
Measure temperature & humidity. With large LCD display for easy reading the data.  
High accuracy and fast response, providing updated and accurate readings. 
℃/℉ switchable, easy to change temperature display unit as you like just by pressing the button of "℃/℉".
Features backlight and touchscreen, turn the backlight on/off, making it easy for reading in the dark.(Auto-off within 15s).
All time/24 HRs Button. Press "ALL TIME/24 HRs" button, you can check temperature/humidity in the past or last 24 hours; Press for 3 seconds, you can clear the record max and min humidity/temperatur readings. 
Multiple mounting modes. This thermometer features tabletop, wall-mountable and magnet-mountable design, convenient mounting feature for every type of room. 
Easy to operate. Powered by 2 * 1.5V AAA batterys(not included).
Specifications:
Material: ABS
Color: White+Black, White+Grey (Optional)
Temperature Range: -4℉~158℉（-20℃~70℃）
Temperature Accuracy: ±1℃
Temperature Resolution: 0.1℃
Humidity Range: 20％~95％RH 
Humidity Accuracy: ±5%RH 
Humidity Resolution: 1%RH
Powered By: 2 * 1.5V AAA Batterys (Not Included)
Item Size: 112 * 95mm / 4.4 * 3.7in
Package Size: 133 * 105 * 33mm / 5.24 * 4.13 * 1.30in
Package Weight: 175g / 6.17ounce
Package List:
1 * Digital Thermometer & Hygrometer
1 * User Manual(English)