... encapsulation technology, JW3201ND power meter could monitor the dual channel power simultaneously and greatly improves the coupling quality. External ... Power MeterMain Unit, External Detectors for N1 and N2, RS232 cable, Power supply Adapter, Software CD, Cotton Stick, User ... External Detectors for N1 and N2, RS232 data transfer cable, Power supply Adaptor, Software CD, Cotton Stick, User Manual ...