Feature Highlights: 1. High Precision & 10-Second Refresh – Powered by a Triple-A battery (not included). The built-in accurate thermometer and hygrometer sensor checks environmental conditions approximately every 10 seconds, then automatically updates the on-screen display to deliver the most precise readings. Temperature range: -4°F to 158°F (-20°C to 70°C). Humidity range: 10–99% RH. 2. Dual Scale Switching – Easily toggle between Fahrenheit and Celsius with a single tap on the back button to suit your preference. 3. 24-Hour High & Low Records – Tracks and displays daily temperature and humidity extremes, helping you maintain a healthy indoor environment. 4. Multiple Placement Options – Use the stand to place it on a table, hang it on the wall via the rear hole, or attach it to metal surfaces (e.g., refrigerator) with the built-in magnet. Ideal for the kitchen, living room, baby room, office, greenhouse, basement, or cellar. 5. Clear LCD Display – Large, bold digits show real-time temperature, humidity, and time for easy reading even from a distance. The backlight turns on for 10 seconds when needed. Product Details: This digital room thermometer and hygrometer offers reliable indoor climate monitoring with high accuracy and frequent data updates. Its compact, portable design (80mm x 59mm x 22mm) saves space while providing clear visibility. No tools are required for setup—simply install the battery and place it wherever needed. Specifications: - Temperature Range: -4°F to 158°F (-20°C to 70°C) - Humidity Range: 10%–99% RH - Refresh Interval: ~10 seconds - Display: LCD with backlight (10-second duration) - Power: 1 x AAA battery (not included) - Dimensions: 80mm x 59mm x 22mm - Placement: Table stand, wall mount, magnetic attachment