Hunan Rika Electronic Tech Co.,Ltd is a privately held sensor manufacturer and solution provider of environmental & weather monitoring for 10 years. In addition to weather station, we offer a complete line of weather instruments including anemometers, barometers, thermometers, rain gauges, soil sensors, water sensors and accessories. Rika also develops bespoke products to meet specific customer requirements. Our weather station and weather sensors are wided used around the world in a broad range of monitoring applications, from verifying the performance of green buildings and renewable energy systems to agricultural and coastal research.https://www.rikasensor.com/air-quality-sensor.html