Super-thin, wireless weather station with; temperature, humidity, wind speed, direction and chill factor, barometric pressure, rainfall and simple next-day weather forecast. Wireless sensor monitors wind, rain and temperature. Range up to 40 m line-of-sight. One outdoor temperature/humidity sensor included. Can be expanded to include one additional sensor (sold separately). Max/min temperature memory and barometric pressure log. Time and date display. 7 x AA/LR6 batteries and 2 x AAA/LR03 batteries (sold seperately).