Lead Foot ABY, AB/Y switcher, to switch 2 inputs into 1 output or 1 input into 2 outputs, also to send 2 inputs simultaniously into 1 output or simulatniously 1 input to 2 outputs, optional 9V battery only for the LED lights, heavy duty metal construction, dimensions whd: 95 x 40 x 73 mm, weight: 336 g