Please use the "Manual/Auto" switch control (DF-96D) manual switch to the left side of the water controller if you need to temporarily open or stop Wire Length= 2m / 78.74in Please double check the input and output wiring and probe cable included after installation to ensure the liquid controller will work properly Probe: Stainless steel To avoid malfunctioning, please do not install the product in a moisture-proof, corrosive environment with high metal content, Manufacturer: NUEAYMS