Features: High Precision: It provides simultaneous monitor of temperature & humidity, -4~158 Fahrenheit (-20~70 celsius ) & 10%~99%RH wide measuring range, 0.1 celsius / Fahrenheit & 1%RH accuracy. Air Condition Indicator: Small triangle icon shows up beneath humidity level(DRY/COMFORT/WET), to indicate the air condition of living environment. High & Low Records: Digital hygrometer thermometer displays high and low temperature & humidity of past 24 hours, which allows comparison to grasp environment changes. Clear LCD Display: Featured with big-font data value & backlight screen, it ensures the measurements is easy to read, even in low light condition. 2 Mounting Options: Temperature & 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 / Black / Brown (Optional) Temperature Range: -4 Fahrenheit ~158 Fahrenheit (-20 celsius ~70 celsius ) Temperature Accuracy: 0.1 celsius / Fahrenheit Unit: celsius / Fahrenheit Humidity Range: 10%~99%RH Humidity Accuracy: 1%RH High and Low Records: Yes Air Condition Indicator: Yes Backlight: Yes Power Supply: 2 * AAA Battery (NOT included) Dimension: 85*65*25mm / 3.34*2.55*0.98in Net Weight: 62g / 2.18oz Package Size: 90*65*25mm / 3.54*2.55*0.98in Package Weight: 103g / 3.63oz Note: Temperature & 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 * Temperature & Humidity Gauge