Current & top wind speed (mph/kmh) & history with tend indicator; Compass Rose, Cardinal wind direction and degrees of wind direction Dynamic Forecast icons and forecast tendency indicator; Monitors Indoor and wireless outdoor temperature (°F/°C) & humidity (%RH); Temperature and humidity records (HI/LO) with trend indicators; Customizable temperature, humidity and wind alerts Adjustable backlight with auto dim feature (HI/LO/OFF); 12/24 Hour time; 4 Language settings: English, Spanish, French & German; Calendar: day, month, date (full weekday display) Transmission range Up to 330ft (100m); Outdoor Temperature Range: -40°F to 140°F (-40°C to 60°C) Display: Includes 5V adapter (required) and 2 AA alkaline batteries (not included) for backup; TX145WSDTHv3 sensor requires 3 AA batteries (not included)