Clear and Visible Display - Large LCD shows Celsius temperature clearly from any angle with a bright, easy-to-read readout. Optimal Air Quality Alert - Tracks home humidity to display an air comfort level: dry, comfortable, or humid through an intuitive comfort guide. High Accuracy Detection - Updates every 10 seconds with temperature accuracy plus or minus 0.1 C and humidity accuracy plus or minus 5 percent RH. User-Friendly Use - Coin battery powered; clear temperature and humidity icons; one-touch operation for simple daily use. Use scenarios - Baby’s nursery or child’s room: monitor temperature and humidity to support a safe, comfortable sleep environment. - Living room or home office: keep an eye on comfort levels to reduce stuffiness and maintain a pleasant atmosphere. - Pantry, closet, or small storage area: track humidity to protect stored items and electronics from moisture.