uxcell 68mm M/F G1/2 Thread 1-30L/min Hall Effect Water Flow Sensor Flowmeter Product Name : Water Flow Sensor;Model : SEN-HZ21FB;Type : Hall Effect Max Switch Current & Voltage : 10mA, DC3-18V;WorkingRange : 1-30L/min;Male Female Port Thread Dia : G1/2 Max. Water Pressure : 1.75Mpa;Insulation Resistance : 100M Ohm(Min.);Total Size : 68 x 29mm/ 2.7" x 1.1"(L*Max.W) Cable Length : 14cm/ 5.5";Main Material : Copper;Color : Gold Tone, Black Weight : 90g;Package Content : 1 xWater Flow Sensor