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 » All Products » Switching Relay Module with Humidity Sensor SKU: CQY20254976374 Price: 3.67 $ Product in stock SSL Certificate Quantity Updating cart... Related Products TTP226 Capacitive Touch Sensor Module (8 channels) HC-SR505 Miniature PIR Sensor GY-ADS1015 ADC Module MMA8452 Digital Accelerometer Module DHT22 Temperature and Humidity Sensor Module