1.Face icon comfort indicator: Humidity temperature gauge features face icons to indicate DRY/COMFORT/WET air condition quickly to notify you to adjust your humidifier or dehumidifier accordingly and ensure you will always live in the most comfortable environment 2.High accuracy: Temperature and humidity sensor is highly accurate to 1 Fahrenheit/Celsius and 2%-3%, making it ideal for measuring fluctuating readings like in a greenhouse 3.Fast refresh: Digital indoor thermometer refreshes every 10 seconds to keep you updated about the latest changes in temperature and humidity readings 4.Compact display with large numbers: Thermometer indoor outdoor features a compact LCD display with large bold numbers, allowing you to read the termometro digital from any angle and distance; fahrenheit or Celsius selector 5.Multiple mounting options: Humidistat has 3 mounting options - Tabletop Stand / Magnetic Back / Hanging Hole, place the wall thermometer anywhere you wish such as living room, baby room, kitchen, greenhouse, guitar room, office and cellar