Danelectro invented the thickest, deepest amplifier tremolo in thelate 1940’s. Billionaire brings back this original technology for the richest tremolo tones ever. One listen and this will be a prized part of your arsenal. Diecast case with hand sprayed, high gloss car finish. Black neoprene carry bag. True hardwire bypass. Cannot be powered by a battery. Powered by 9 volt, 2.1mm centre negative AC adaptor