Specification : Product Name : Float Switch Sensor Wire Length : 40cm+- Product Size : 52mm+- Thread Size : M10 Max Contact Rating :10W Max Switching Voltage:220V Max Switching Current:0.5A Max Breakdown Voltage:220VDC Max Carry Current:1.0A Max Contact Resistance:100mohm Temperature Rating:-10~+60 Float Ball Material:P.P Float Body Matertal:P.P Suitable for measure water/liquid level (max / minimum) Can use to as a sensor / switch to trigger a relay for water pump / alarm / other device.