Feature●Max Contact: Rating 50W; Max Switching Voltage: 220VAC; Max Switching Current: 0.5A●Float Ball Size(Approx): 22x21mm/0.87x0.83inch(Dia*H);Thread Diameter: 10mm/0.39inch; Total Length: 210mm/8.27inch●Simple structure,easy installation.It doesnt have a complex circuit,wont be disturbed●Note: Because the current that the switch can carry is much little(0.5A), you must use a relay or contactor when it is connected by a load, relay and contactor are not included here.●Widely used in electronic,electrical,chemical,water treatment,drainage and other walks of life level control and alarm.Description