["Features:\r\nPipe Booster Pump Flow Switch Carries Out on-off Control Over Sensing Elements through a Water Flow Type Magnetic Control Device, Thus Achieving the Effects of Starting and Shutting Down Water Pumps. \r\nThis water Flow Switch is to protect the Laser Tube. When the Water Pump is not Working, the Water Sensor can detect, and Shut Down the Laser Machine. So the Laser Tube will not be broken.\r\nIt can be used together with a Water Pump, instead of a Chiller\r\nLift:3.2m, Flow:3000L/H, for 40w/60w/80w laser tube\r\n\r\nSpecifications:\r\nFemale Connector: G1/2\r\nMale Connector: G1/2\r\nLength: 70mm\r\nQuantity: 1 Pc\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage Contents:\r\n1x Water Flow Sensor Switch"]