Features: [Large LCD display] More intuitive and clearer to read values, including time, real-time humidity, maximum humidity, l minimum humidity, real-time temperature, maximum temperature and minimum temperature. [Temperature measurement] Measuring range: -10~50/14~122; precision: 1/2; resolution: 0.1 / 0.2. [Humidity measurement] Measuring range: 10% ~ 99% RH; precision: 5%; resolution: 1%. [/ switchable] Short press the DOWN button to switch, more convenient. [Comfort indication] Three comfort icons displayed on the LCD screen to indicate the conditions humidity (comfort/dry/humid). [Max/Min Records] Long press the UP button to reset the maximum/minimum humidity and temperature readings. [Time/date setting ] Long press SET button to activate time setting, press UP/DOWN button to switch between 24Hr/12Hr. Short press the SET button one by one to set the hour/minute/year/month/day. Use the UP/DOWN button to change the value. [Alarm clock function] Long press the ALARM button to activate the alarm clock setting. Short press ALARM and press UP/DOWN button to set the time; short press ALARM and press UP/DOWN button again to set the minutes. Features: Material: ABS Color white Power supply: 2 AAA batteries (not included) Temperature measurement range: -10 ~ 50 / 14 ~ 122 Temperature accuracy: 1 / 2 Temperature resolution: 0.1 / 0.2 Humidity measuring range: 10% ~ 99% RH Humidity accuracy: 5% Humidity resolution: 1% Item size: approx. 11 * 8 * 3 cm / 4.33 * 3.15 * 1.18 inch Package Size: Approx. 13 * 8.5 * 3.5cm / 5.12 * 3.35 * 1.38inch Package Weight: Approx. 117g / 4.13 oz Note: Please read the user manual before use. Packing List : 1 * Temperature Humidity Meter 1 * User Manual (English)