The temporary need to open, turn off the, please use the left side of the water controller " manual / automatic " switch control ( DF-96D) type without manual switch To avoid malfunction, do not install the product in humid, corrosive and high metal content of the environment Probe: stainless steel Wire Length=2m / 78.74inch In order to the normal of the liquid controller, please check the input and output wiring again after installation, whether the probe cable is or not, Manufacturer: LiRRvb