["brand new and high quality.\nFeatures:\nMade of high quality plastic and electronic components, it is sturdy, solid, durable, anti-corrosion and good performance.\nThis probe is mainly used for measuring the pH which is either the concentration of hydrogen ions in an aqueous solution or the activity of the hydrogen ions in an aqueous solution.\nHigh precision that it can gives almost instantaneous readings, accurate and reliable.\nIt can indicate if the solution is acidic or basic, then you can regulate the concentration of the solution as you like.\nWith a single cylinder, it can be used with PH meter, controller, or any PH device which has a BNC input terminal.\nSuitable for aquarium, hydroponics, laboratory, etc..\nPH electrode probe only, other accessories demo in the picture is not included!\n\nSpecification:\nMaterial: Plastic, Electronic Components\nSize: Approx. 16.5x1.5 for cm/6.49x0.59 inch\nColor: Random Delivery (If you buy more than one, colors you receive will be same or different.)\nQuantity: 1 Pc\n\nNote:\nNo retail package.\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 PH Electrode Probe"]