["Description:\r\n brand new & high quality.\r\nFeature:\r\nThis flow indicator is used to observe water flow speed of water cooling system, in for case that pump stops working and causes overheat.\r\nThe design is novel, simple and practical, easy to install, small size and durable.\r\nGreen impeller is convenient for observation, normally used in computer or other water cooling systems.\r\nG1/4 standard thread is widely fit for most computer cooling tubes or connectors.\r\nApart from observing water flow, it is also a great and delicate decoration.\r\n\r\nSpecifications:\r\nMaterial:Tungsten alloy\r\nColor: As Pictures Show\r\nDimension:4.4x3.5x2.5cm(LxWxH)/1.73’’x1.38’’x0.98’’ (Approx.)\r\nScrew: G1/4 2 thread\r\nImpeller: 5 leaves\r\nQuantity: 1Pc\r\nNote: \r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n4.No retail package\r\n\r\nPackage includes: \r\n1Pc x Flow Indicator\r\n(other accessories demo in the picture are not included)"]