Weather forecasting machine overview :   Weather forecasting machine series is divided into : SW003, SW003Ri (I=1~3), SW003C-XX, SW003RC-XX respectively by :   1) SW003-- weather, indoor temperature humidiometer and almanac, electronic bell.   2) SW003Ri-- weather, indoor temperature humidiometer and almanac, electronic bell, 1~3 a outdoor wireless temperature and humidity transmitters.   3) SW003CXX-- weather, indoor temperature humidiometer and almanac, automatic, electronic bell on. XX, respectively, a national application, such as UL, JP, 747-1, cars, Portuguese, representing the U.S., Japan, Britain, Germany, France.   4) SW003RCXX-- weather, indoor temperature humidiometer and almanac, automatic, electronic bell on, 1~3 a outdoor wireless temperature and humidity launch reception.