Family Needs == A hygrometer can help you pay attention to indoor temperature and humidity. No longer 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, allergies, mold, and irritability. Let our indoor thermometer take care of your family, pet, and plant heather. 13 Ultra-Wide Vents for Quick Cooling == The 13 ultra-wide vents allow air to circulate faster through the probe sensor to work more sensitively and accurately. The updated indoor thermometer has a high accuracy of ±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 numbers, allowing you to see current conditions from any angle and distance at a glance. Friendly for children and the elderly. The temperature can be switched between Celsius and Fahrenheit (°C/°F), giving you more freedom to choose the Celsius or Fahrenheit selector. Pocket Size 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, you don't need to go to a pharmacy to buy an extra battery. Delivery Quantity: 1 Piece