Description: Easy to install, 1/4" Quick connect Flow range:0.3-10L/min Frequency: F=32 * Q (L / Min) error:3% Working voltage range: 3.5-12 VDC Pressure range: 0-0.8MPa Specification: Waterproof,Heat resistance,pressure resistance,cold resistance. Easy to install Flow range:0.3-10L/min Suitable for 1/4" tube Maximum Consumption current:1.5 mA(DC 5V) Working voltage range:DC3.5-12V Operating Temp:1-100C,Operating humidity:35%-90%RH Pressure range: 0-0.8MPa Storage Temperature:-40-100C Storage humidity:25%-95%RH Output Waveform:Square Wave,output pulse singal. Package Includes: 1 Piece Water Flow Sensor