Voodoo Lab Pedal Power This Is For Guitarists Who Use Effects Pedals.?

This is for guitarists who use effects pedals.? - voodoo lab pedal power

Why does a guitar player to spend more than $ 150 http://www.guitarcenter.com/Visual-Sound for the Voodoo Labs Pedal Power, or any other source if it can happen ... for less than $ 40 That the powers of the same amount of pedals, 1 / 10 the size, and even pedal power, without 9V. Extensions can also us an infinite amount of pedal power. It seems almost too good to be true. Is there something wrong?