The moment extra, the spectrometer operates as ordinary acquiring power from the pc’s USB; if 5VDC power is related directly to the BLUE-Wave, the zAP2 WiFi powers up and you'll join your unit. Also, the zAP2 allows USB around IP and you can run SpectraWiz wirelessly in your Windows Laptop. https://tonyc963knp3.shopping-wiki.com/user