Overall this is a good quality product. Noted that the item is delivered without manual wiring without real need. It has a dual connector cables (red / black) to the main entrance which manages both, the module power supply and the measuring input (voltage) and a terminal on which it comes connect current transformer (supplied with the module). The product is nice finish and easy to use. Also noted that this is a product that enjoys a sinusoidal input signal "clean" and gnashes his teeth with a can for example, an inverter output when the output current is recreated electronically ...
