ELECTRO-HARMONIX / Memory Boy. An analog delay that follows in the footsteps of the Memory Man, featuring the deep and rich tone unique to Electro-Harmonix. The delay time and modulation rate can be controlled with an expression pedal, allowing for real-time effect control on stage. Equipped with Chorus and Vibrato, it holds endless possibilities that rival even multi-functional digital delays. This is a sale of the unit only. While there is some wear and tear, there are no operational issues. Please take this opportunity to try it out. 【Specifications】 ■ Guitar Effects Pedal ■ Analog Delay ■ Analog delay with a natural tone ■ Delay time up to 550ms ■ Modulation rate selectable ■ Modulation waveform selectable ■ Delay time or modulation can be controlled with an expression pedal (sold separately) ■ True bypass ■ Controls: DELAY, DEPTH, BLEND, FEED BACK ■ Switches: Triangle/Square, EXP.PEDAL (VIBRATO / CHORUS), ON/OFF ■ Delay Time: 30ms～550ms ■ Power: 9VDC adapter (sold separately) or 9V battery (sold separately) ■ Dimensions, Weight: 91W x 50H x 118Dmm, 330g ◎Contents◎ 【Instruction Manual】 None 【Case/Box】 None 【Operation】 No issues 【Other Accessories】 None We hope this product will become a part of your rich guitar life. Thank you for your consideration.