Micro Q-Tron with envelope control function, with instruction manual. Domestic genuine product, box only. The manual, warranty card, etc. are included as shown in the photos. - Model Name: Micro Q-Tron - Type: Envelope Controller - Accessories: Instruction Manual - Brand: Electro-Harmonix Thank you for viewing. aguilar darkglass markbass musicman fender moon kensmith alembic diamond boss roland ehx jhs dod digitech maxon ibanez fernandes greco gibson shin's shi-ei vox tcelectronics klon tim Timmy Vemuram danelectro Please note that we keep serial numbers and internal circuit images to prevent swapping and false claims of missing parts.