Features: [Large LCD screen] More intuitive and clearer to read values, including time, real-time humidity, maximum humidity, minimum humidity, real-time temperature, maximum temperature and minimum temperature. [Temperature measurement] Measurement range: -10~50/14~122; accuracy: 1 / 2; resolution: 0.1 / 0.2 . [Humidity measurement] Measurement range: 10%~99% RH; accuracy: 5%; resolution: 1%. [/switchable] Short press DOWN button to switch, more convenient. [Comfort indication] Three comfort icons displayed on the LCD screen to indicate humidity conditions (comfort/dry/wet). [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 SET button one by one to set hour/minute/year/month/day. Use UP/DOWN button to change the value. [Alarm clock function] Long press ALARM button to activate alarm clock setting. Short press ALARM and press UP/DOWN button to set the hour; short press ALARM and press UP/DOWN button again to set minutes. Features: Material: ABS White color 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 measurement range: 10%~99% RH Humidity Accuracy: 5% Moisture 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 / 4.13oz Note: Please read user manual before use. Packing list: 1 * temperature humidity meter