AcuRite Iris® (5-in-1) Indoor/Outdoor Wireless Weather Station with Built-in Barometer and Two Digital Displays (01078M)

AcuRite Iris® (5-in-1) Indoor/Outdoor Wireless Weather Station with Built-In Barometer and Two Digital Displays for Indoor and Outdoor Temperature and Humidity, Wind Speed/Direction, and Rainfall (01078M) High-precision 5-in-1 wireless weather sensor accurately measures the temperature, humidity, wind speed, wind direction, and rainfall Digital weather station displays provide indoor/outdoor temperature and humidity, wind speed, wind direction, rainfall, barometric pressure, date, time, forecast, and real-time weather information Outdoor temperature range: -40 °F to 158 °F (-40 °C to 70 °C) Indoor temperature range: 32 °F to 122 °F (0 °C to 50 °C) Indoor/outdoor humidity range: 1% to 99% Wind speed range: 0 to 99 mph (0 to 159 kmh) Wind direction gauge: 16 points Model: 01078M Power: Display: 4.5V, 250mA adapter (6 AA alkaline batteries optional for recommended battery backup) for each display Outdoor device: 4 AA alkaline or lithium batteries (not included) Update Times: Wind speed: 18-second updates Wind direction: 30-second updates Outdoor temperature and humidity: 36-second updates Indoor temperature and humidity: 60-second updates