Description: Easy to install, 1/4" Quick connect Flow range:0.3-6L/min f=(23*Q-3) ±3% Q=L/MIN Working voltage range: 5-24 VDC Pressure range: 0-0.8MPa Specification: Waterproof,Heat resistance,pressure resistance,cold resistance. Easy to install Working voltage range:DC5-24V Output Waveform:Square Wave,output pulse singal. Package Includes: 1 Piece Water Flow Sensor