This is a power 36mm distribution board. Made from 1.2mm FR-4 material and 2oz copper. Positive and negative terminals are marked, top side of the board is +, bottom is -, small solder pads for low-current connections are available on the edges for things like LED lights etc.
Board dimensions: 36mm square, 3mm mounting holes with 30.5mm spacing (Naze32/OpenPilot compatible).
Weight : 3.2gram for 2oz copper version.
Color : Black