Can magically expand the terminal of Arduino controllerUser can also overlay other expansion boards on itLet your Arduino project to get rid of the shackles of the bread board wiring and make the line structures become easier and more reliableIn the extended terminal, while also retaining the original expansion board connectorGeneral SpecsQuantity2-pieceDimension 6.6 x 2.0 x 1.6 cmWeight27 g