5.5*2.1mm DC Jack Socket Plug Power Supply Module DC Power Adapter Board For Arduino 5.5 x 2.1mm

1 Name: DC power adapter board 2 Size: 2.8cm*1.3cm 3 Applicable connector: 5.5*2.1mm 4 Reserve 2 single-row pin welding holes, directly install on the hole board, convenient for testing 5 Power supply Output interface: 2 VCC, 2 GND 6 Weight of each piece: 3.2g