The WLS-24 Water Level Sensor is a complete Water level sensor solution including an Agility® Sensor Radio for sending water level readings back to the Agility IoT Platform Server for viewing by the MyFarm web application. The bottom section includes a well point with slots to allow water to flow  in to the e-tape sensor. The WLS-24 uses a 24 inch e-tape mounted so that 8 inches of the sensor is below ground.