Features: High Precision: It provides simultaneous monitor of temperature and humidity, -4-158 Fahrenheit (-20-70 celsius ) and 10 percent -99 percent RH wide measuring range, 0.1 celsius or Fahrenheit and 1 percent RH accuracy. Air Condition Indicator: Small triangle icon shows up beneath humidity level(DRY or COMFORT or WET), to indicate the air condition of living environment. High and Low Records: Digital hygrometer thermometer displays high and low temperature and humidity of past 24 hours, which allows comparison to grasp environment changes. Clear LCD Display: Featured with big-font data value and backlight screen, it ensures the measurements is easy to read, even in low light condition. 2 Mounting Options: Temperature and humidity meter, equips with back bracket, able to stand on table, hanging hole, convenient to mount on wall in bedroom, living room, kitchen, office, etc. Specifications: Material: ABS Color: White or Black or Brown (Optional) Temperature Range: -4 Fahrenheit -158 Fahrenheit (-20 celsius -70 celsius ) Temperature Accuracy: 0.1 celsius or Fahrenheit Unit: celsius or Fahrenheit Humidity Range: 10 percent -99 percent RH Humidity Accuracy: 1 percent RH High and Low Records: Yes Air Condition Indicator: Yes Backlight: Yes Power Supply: 2 x AAA Battery (NOT included) Dimension: 85x65x25mm or 3.34x2.55x0.98in Net Weight: 62g or 2.18oz Package Size: 90x65x25mm or 3.54x2.55x0.98in Package Weight: 103g or 3.63oz Note: Temperature and humidity gauge only, other accessories in the pictures are not included. Due to lighting or other reasons, the picture and material object may slightly differ. Due to manual measurement, there may be deviation, please in kind prevail. Packing List: 1 x Temperature and Humidity Gauge Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.