Description:Probe Material: Stainless Steel Wire Length = 2m / 78.74 inch Install with other instructions:1, In order to ensure the normal operation of the liquid level controller, please check the input and output wiring again after installation, whether the probe cable is reliable or not. Move the probe up and down to contact the water and simulate whether the water controller is installed correctly and can work according to your needs.2, It is recommended to fix each probe point in the tank wall to avoid displacement of the probe position lead to the malfunction of the water level controller (if the pool wall is metal, In addition to the ground beyond point C, do not connect to the wall, to avoid short circuit, the controller does not work).3, according to the above connection method is connected, check the right side of the product "manual/automatic" switch (DF-96D none), whether it can be manually according to the user's needs to open and close the pumps, use it to adjust back to the "automatic" position, The water level controller to the working state.4, temporary need to open, turn off the pump, use the left side of the water level controller "manual/automatic" control switch (DF-96D) without manual switch.5 to avoid failure, do not install the product in moist, corrosive and high-metal gas environment content. Package Included:3 pcs. Liquid level sensor in water