It is made up of rain gauge cylinder, weatherglass and wind-direction cap,which is mainly used to determine wind direction,wind speed, temperature and rainfall and so on.easy assembled total high: 136-147cm letter combination: N-S-E-W or N-S-O-W or N-S-E-O material: plastic tube:AS matel tube: A3 steel board of the thermometer:HIPS other plastic: PP galvanized metal screw and spring