["brand new and high quality\nFeatures:\nAvailable for connecting the BNC socket directly into the input terminal of ORP meter or ORP controller or any ORP device that has a BNC input terminal.\nIt gives you the flexibility to measure a solution in a container as far as 300 for cm from the device, and precisely determines the redox tension of the intended solution to be measured.\nReplaceable ORP electrode which provides instant ORP measurement, reliable and easy to use.\nOnce your new ORP electrode probe is connected to the electrode input terminal, calibrate it first with the calibration (buffer) solutions before using the newly replace ORP electrode.\nFit for measuring drinking, domestic and rainwater, aquariums, tanks, for ponds, pools, spas, etc..\n\nSpecification:\nMaterial: Plastic + Metal\nLength: Electrode: 14cm/5.51in; Cable: for 3m/9.84ft\nDiameter: 1.35cm/0.53in\nMeasuring Range: -1999-1999mV \nResolution: 1mV\nAccuracy: ±0.1% F·S±1 digit \nConnection: BNC socket\nColor: Random Delivery (If you buy more than one, colors you receive will be same or different.)\nQuantity: 1 Pc\n\nNote: \nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Redox Electrode\n1 x Cable"]