Brand Name: IRIN Is Batteries Included: no Material: Metal High-concerned chemical: none Origin: Mainland China Plug Type: NONE Weight: 200g Type: Effects Model Number: RS RS-01: RETRO OVERDRIVE RS-02: ULTRA DRIVE RS-03: ROCK DREAM RS-04: TUBE DREAM RS-05: RETRO ENSEMBL RS-06: PHASE SHIFT RS-07: ANALOG ENSEMBLE RS-08: BBD FLANGER RS-09: TREMOLO RS-10: ANA ECHO RS-11: SOUL FUZZ RS-12: DYNA COMP RS-13: RETRO JCM RS-14: FLEX BOOST RS-15: NOISE KILLER RS-16: RAGE MACHINE RS-17: ULTRA DISTORTION RS-19: TALENT OCTAVE RS-20: GOLDEN FUZZ BASS RS-21: BUFFER BOOST RS-22: BASS FD Choice: yes