Features: Large color screen that displays multiple information including time, calendar, week, comfort index, pressure, tide, moon phase, indoor and outdoor temperature and humidity, weather forecast, trend prediction, local sunrise and sunset, and more. Wireless outdoor sensor with wall mount or table stand option, 433.92MHz RF transmitting frequency, up to 60 meters transmission range in open area. Supports up to 3 wireless outdoor sensors (1 sensor included in package). Switchable formats: temperature in Fahrenheit or Celsius, pressure in inHg or hPa, time in 12/24 hour format. Dual alarms with snooze function (OFF or 5–60 minutes). Adjustable backlight with 5 brightness levels (high, low, 4 levels, closed) and night mode. Backlight remains on continuously only when powered by adapter. When running on battery, backlight illuminates for 15 seconds. Displays indoor mold risk level (level 3) and indoor/outdoor comfort level (level 5). Includes indoor and outdoor temperature and humidity high/low limit alarms and frost point alarms. Suitable for various environments such as bedroom, attic, garage, pet enclosure, cellar, refrigerator, and more. Note: Up to three sensors can be used simultaneously; one sensor is included by default. Sensor model: E23975. Specifications: Perpetual calendar valid up to year 2099 Days of the week displayed in 8 languages: English, French, Italian, Spanish, Dutch, Danish, Polish, German 6 weather forecast icons: sunny, cloudy, drizzle, rain, snow Indoor and outdoor humidity measurement range: 20% RH to 95% RH Indoor temperature range: -9.9°C to 50°C (15.8°F to 122°F) Outdoor temperature range: -40°C to 70°C (-40°F to 158°F) Min/max display for temperature and humidity Atmospheric pressure range: 17.72 inHg to 32.50 inHg (600 hPa to 1100 hPa) Power supply: Weather station: 2 x LR03 AAA batteries (not included), DC 5V 600mA power input Wireless outdoor sensor: 2 x LR6 AA batteries (not included) Material: ABS Weather station dimensions: 17.2 x 14 x 2.7 cm (6.77 x 5.51 x 1.06 inches) Sensor dimensions: 9.7 x 3.2 x 5 cm (3.82 x 1.26 x 1.97 inches) Package dimensions: 18.6 x 15.3 x 7 cm (7.32 x 6.02 x 2.75 inches) Package weight: 540g (19.05 oz) Package contents: 1 x Weather station 1 x Wireless outdoor sensor 1 x USB power cable 1 x User manual (English, German, French, Italian, Spanish)