Generic Water Flow Sensor G12 for Arduino AVR, 5V-24V, Black AED32.00 (Incl.VAT) Compact, Easy to InstallHigh Sealing PerformanceHigh Quality Hall Effect SensorOperating Humidity is 35%-90%RHWater Pressure Less-than or equal to 1.75MPaStorage Humidity 25%-95%RHLiquid temperature: >=120? Available on Request