The WD-RS SONTAY Rain Sensor with Internal Heater is a reliable and efficient device designed for industrial automation and motion control systems. Featuring a 5m lead length, this sensor accurately detects rainfall and adjusts the system accordingly. The internal heater ensures optimal performance in various weather conditions, making it an essential component for businesses and industrial applications that require precise automation controls. With the trusted Sontay brand name, users can rely on the quality and durability of this rain sensor.