Description: Easy to install, 1/2" Quick connect Flow range: 2?30L\Min ±3% f=(7.5*Q) Q=L/Min Working voltage range: 5-15 VDC Pressure range: 0-1.75MPa Specification: Waterproof,Heat resistance,pressure resistance,cold resistance. Easy to install Suitable for 1/2" tube Package Includes: 1 Piece Water Flow Sensor