1. Compact Design with Large Display This lightweight hygrometer, measuring 3.5 x 3.0 inches and weighing only 30g, is easy to carry. Its 2.3inch LCD display with bold, large numbers makes reading temperature and humidity simple and clear at a glance. 2. Accuracy Fast Refresh Rate Offering precision, this thermometer measures temperature to within ±1℃ (1.8℉) and humidity to within ±5% RH. Data is refreshed every 10 seconds, ensuring you always have the latest environmental readings. 3. Air Comfort Indicator Face icons on the display indicate whether the air is dry, comfortable, or humid, helping you quickly identify when to adjust your humidifier or dehumidifier for an environment. 4. Backlight Clock Feature The device includes a backlight for easy reading in lowlight settings and has a clock function with an alarm, making it convenient for your daily schedule, work, or study routines.