Indoor hygrometer and thermometer provides simultaneous monitor of temperature and humidity, suitable for use in bedroom, living room, kitchen, office, etc. Features: Wide Measuring Range and High Precision - It measures temperature, range: 4-158 Fahrenheit (-20-70 celsius ), accuracy: 1 celsius /1.8 Fahrenheit , measures humidity, range: 10 percent -99 percent RH, accuracy: 5 percent RH. Air Comfort Indicator - Humidity level icon shows up, to indicate the air condition of living environment(DRY: below 30 percent RH, OK: 30 percent -60 percent RH, WET: over 60 percent RH). High and Low Records - Digital hygrometer thermometer always 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. Multiple Mounting Options - Equipped with bracket, magnetic back and hanging hole, it is convenient to stand on table, attach to refrigerator or mount on wall. Specifications: Material: ABS Color: White / Black (Optional) Temperature Range: -4 Fahrenheit -158 Fahrenheit (-20 celsius -70 celsius ) Temperature Accuracy: 1 celsius /1.8 Fahrenheit Unit: celsius / Fahrenheit Humidity Range: 10 percent -99 percent RH Humidity Accuracy: 5 percent RH (30 percent -70 percent RH) High and Low Records: Yes Air Comfort Indicator: Yes Backlight: Yes Power Supply: 2 x AAA Battery (NOT included) Dimension: 80x59x23mm / 3.14x2.32x0.90in Net Weight: 65g / 2.29oz Package Size: 90x70x30mm / 3.54x2.75x1.18in Package Weight: 100g / 3.52oz 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.