Family Needs == A hygrometer can help you pay attention to indoor temperature and humidity. Never worry about family members due to seasonal changes. As you know, too dry or too humid, too hot or too cold can lead to coldness, dry skin, drowsiness, allergy, mildew and irritability. Let our indoor thermometer take care of your family, your pet, the heather of the plants. 13 ultra-wide vents for quick refreshment == The 13 ultra-wide vents allow the air to flow faster through the probe sensor to work with more sensitivity and precision. The update indoor thermometer has high accuracy within 1 (1.8) and the humidity is 5% RH every 10 seconds. Give you the latest environmental changes and adjust your humidifier or dehumidifier. Large LCD display for easy reading == Features a 3.2 inch LCD display with large bold digits , allowing you to see current conditions from any angle and distance at a glance. Friendly for children and the elderly. Temperature can be switched between Celsius and Fahrenheit (C/F), giving you more freedom to choose Celsius or Fahrenheit selector. Pocket-sized to maximize space = = Compact and lightweight design, the indoor thermometer allows you to easily put it in your pocket and take it anywhere you want. In addition, the humidity sensor is ideal for saving space. CR2032 battery included and supporting 6 months working time, you don't need to go to drug store to buy extra battery. Multiple mounting options == Indoor wall thermometer equipped with 2 options mounting, including a table stand and a hanging hole, you can install the wall thermometer anywhere you like, such as living room, kitchen, guitar room, office and basement. Your satisfaction will be a great motivation for us.