Panel Mount USB Charger with 2x 2.1 Amp USB charging ports and a built in Volt meter
Dimensions
OD (Size of hole) – 29mm
Depth – 35mm
NOTE: This socket is not reverse polarity protected. If you connect the wires incorrectly it will go POP.
The poles are clearly market at the back with a + and – , make sure you connect it correctly.
