TC Electronic RUSTY FUZZ ( 1 pcs ) Silicon-Based Transistor Fuzz with Vintage Gated and Velcro-Like Fuzz Tones Silicon-based transistor fuzz Vintage gated and velcro-like fuzz tones Classic 60 #39;s inspired circuit True Bypass for ultimate signal integrity #34;Built-like-a-tank #34; metal chassis Runs on 9 V battery or the TC Electronic Powerplug 9 (not included) 1-Year Warranty Program* Designed and engineered in Denmark