2pcs Modulo di Alimentazione DC 9V 12V 18V 20V a 5V con 4 Porte USB Modulo di Alimentazione DC-DC

2pcs DC 9V 12V 18V 20V to 5V Power Module with 4 USB Ports. DC 9V 12V 18V 20V to 5V Power Module with 4 USB Ports USB power module module. 2 DC 9V 12V 18V 20V to 5V Power Module with 4 USB Ports. One of the four USB interfaces reserving the divider resistance for your DIY.

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