Detail DC POWER SUPPLY MODULE FOR DC POWER ADAPTER PLATE
DC power supply module dc power adapter plate 1 name: DC power adapter plate 2 size: 2.8cm*1.3cm 3 applicable connector: 5.5*2.1mm 4 Reserve 2 single 4 pin hole, fitted directly on the hole Board to facilitate testing 5 power supply output connector: 2-way VCC,2 road, GND