White backlit display Wireless transmission of temperature and precipitation (434 MHz) Precipitation history (1 hour, 2 hours, 24 hours, weekly and monthly) Precipitation bar graph Weather forecast icons Indoor and outdoor temperature and humidity with min/max memory Temperature trend (rising or constant) Programmable temperature alert Temperature °C or °F Indoor temperature range: -10° to +50°C Indoor humidity range: 20 to 95% (±5%) Outdoor temperature range: -50°C to +60°C Outdoor humidity range: from 20 to 95% (±5%) Time with 12/24 hour format Alarm and snooze Calendar with weekday display (choice of language) Batteries not included: central unit 3 AAA 1.5V batteries + rain cover 2 AAA 1.5V batteries USB cable and mains adapter included