Switching Relay Module with Humidity Sensor Hello Customers, we would like to inform everyone that we will not be accepting orders until we fix the issue of disappearing shipping cost from your orders. We are still investigating and fixing the settings so that the correct shipping cost will be displayed in every order. Thank you very much for understanding » Sensors » Switching Relay Module with Humidity Sensor SKU: CQY20254976374 Price: 3.67 $ Product in stock SSL Certificate Quantity Updating cart... Related Products High Current Optoisolated Relay Module (30A) Black Digital Thermometer with Hygrometer MQ-135 Air Sensor Module MMA7361 Triple Axis Accelerometer Module Optoisolated Relay Module (Dual Channel)