SincereetaliFeatures: Large LCD Display: 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: Measuring range: -10 ~ 50 / 14 ~ 122; accuracy: 1 / 2; resolution: 0.1 / 0.2. Humidity Measurement: Measuring 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/humid). Max/Min Records: Long press 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 hour; short press ALARM and press UP/DOWN button again to set minute. Specifications: Material: ABS Color: White Power Supply: 2 x AAA batteries (not included) Temperature Measuring 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 * 3cm / 4.33 * 3.15 * 1.18in Package Size: Approx. 13 * 8.5 * 3.5cm / 5.12 * 3.35 * 1.38in Package Weight: Approx. 117g / 4.13oz Note: Please read the user manual before use. Packing List: 1 * Temperature Humidity Meter 1 * User Manual (English)