Large, Clear Display for Easy Readability: Featuring a large, Clear screen, this thermometer ensures easy-to-read temperature and humidity readings from a distance. Ideal for seniors, it provides bold, clear digits for effortless visibility and quick access to the data you need 3-Channel Monitoring for Comprehensive Environment Tracking: Monitor indoor and outdoor temperatures and humidity levels with 3-channel functionality. Track multiple locations simultaneously (e.g., living room, basement, garden) for a complete overview of your environment’s conditions Adjustable Backlight with Dual Power Options: Choose from battery operation (3 AAA for the main unit and 2 AAA for the sensor) or continuous power via the included usb cable. The backlight is adjustable with 3 brightness levels (low, medium, high) and stays on continuously when plugged in, offering ultimate flexibility Automatic Light-Sensing Function & Weather Forecasting: This thermometer features automatic light sensing, adjusting the backlight based on ambient light for optimal visibility. It also offers weather forecasting based on sensor data, helping you plan ahead by knowing the weather conditions in your area Durable, Long-Lasting Construction: Crafted from premium ABS material, this indoor outdoor temperature gauge is built to last. Its scratch-resistant, glossy finish ensures it remains in top condition even with regular use over time ASIN B0DLNL52PK Color Black Model 240275+TX19 Brand Name Geevon Model Name 240275+TX19 Style Name Modern Unit Count 1.0 Count Item Length 5.5 Inches Item Weight 0.5 Pounds Part Number US-240275 Reusability Rechargeable Display Type Digital Manufacturer Geevon Power Source Battery Powered, Usb Cable Outer Material Acrylonitrile Butadiene Styrene Additional Features Auto Brightness Sensing, Battery and USB Powered, Dew, Mold, Heat Index, High Accuracy, Large Display and Number Included Components Host, Sensor, User Manual, USB Cable Number of Batteries 3 AAA batteries required. Indoor Outdoor Usage Indoor, Outdoor Age Range Description Adult LowerTemperature Range 14 Degrees Fahrenheit Connectivity Technology Wireless Upper Temperature Range 122 Degrees Fahrenheit Product Care Instructions Wipe Clean