Control box: Diameter of ‘inlet’ pipe: G1/2”, Control box: Diameter of ‘outlet’ pipe: G1/2”, Water pressure range: 0.75 (Min) – 7 Bar (1 bar or above for best performance), Operation: Electrical Voltage: DC6V or AC220V-240V (6V Output), Power consumption: =0.3mW, Sensing distance: 10-20cm, Respond time: 1 Second, Silent Consumption: 0.003mW, Environment Temperature: 1-45 C, Flow Rate: 6L/Per minute, Water temperature: 0-80 deg Celsius Noise Class: 1, Finish: Chrome-plated, Flexible supply hose