We have various kinds of float switch(cfs), water level switch, float level sensors 10years experence, high quality Wateproof type Float switch's operation voltage is 220v, can current can be up to 15a. Applied to brand water, sewage water, aid-base solution, etc Microswitch inside: 10(8a) 250v 10(4a) 380v Protection: waterproof Material of each parts: Float : polypropylene Weightcounter: polypropylene Cable: h07rn 3*0.75 3*0.1 Pvc 3*0.5 3*0.75 3*1