This is an Electro Harmonix "Crayon" guitar overdrive pedal. 

Excellent lightly used condition.
Fully tested, works 100%.
Comes with original box and instructions.

Runs off a 9V power supply or battery (neither is included).

Please ask questions! More pictures upon request.

U.S. shipping is $10.00 for USPS Ground Advantage, tracking number provided.
International shipping through Ebay's Intl. Shipping Program.
Returns accepted, buyer pays return shipping.