Human to Robot voice converter / Changer Assembled board / ready to use [FA930] &lt;==Beware to Add To Cart !!! Only sold by Thaikits for product warrantee and free technical support==&gt; Power supply : 9VDC. Consumption : 100mA max. PCB dimensions : 1.88 x 3.07 inches. / @The speaker is not inclued because It is not allowed to ship by airplane