【Versatile Power Supply】Supports dual power options: 5V 1A Type-C power or 3 x AA batteries (not included), providing flexibility for different usage scenarios 【Real-Time Temperature & Humidity Updates】Monitors and displays temperature and humidity changes in real-time, keeping you informed of environmental conditions at a glance 【Celsius & Fahrenheit Switch】Easily switch between Celsius and Fahrenheit to suit your preferred measurement system 【Date, Time, and Day Display】Equipped with a clear display showing the current date, time, and day of the week for added convenience 【Smart Scene Integration】Supports intelligent linkage with other smart devices, enabling seamless automation and enhanced smart home functionality 【Adjustable Brightness】Features an adjustable brightness knob, allowing you to customize the display brightness for optimal viewing in any environment Specifications: Model: WHS20S Power Input: 5V 1A WiFi Frequency: 2.4GHz IEEE 802.11 b/g/n IR Control Range: ≤10 meters Temperature Measurement Range: 0 to 60℃ Humidity Measurement Range: 0%RH to 99%RH Temperature Accuracy: ±1℃ Humidity Accuracy: ±5%RH Dimensions: 90x78x100mm