Product Description Specification External Connect Thread Diameter: G1/2 inch (BSP) Withstand Range: Water pressure 1.75 Mpa below Pulse Frequency: F=7.5 * Q (L / Min) Working Voltage Range: DC 3-24 V Maximum Current: 15 mA(DC 5V) Load Capacity: ≤10 mA(DC 5V) Flow Range: 1-30L/min Insulation Resistance: >100M OHM Storage Temperature: -25℃～+80℃ Storage Humidity: 25%～95%RH Operating Humidity: 35%～90%RH Operating Temp: ≤80℃ Cable Length:15cm Tolerance: ±2% Output Waveform: Square Wave,output pulse signal Three wire connection guide: Red for positive, Black for negative, Yellow for pulse signal. Outlet with 2m/6ft NTC Temp Sensor