Donner® Blue Guitar Distortion Effect Pedal Vintage Overdrive, Featuring True Bypass Wiring, Tone Switch and Quality Components Fast shipping via USPS and goods will arrive in 1-7 business days Features: Two models：reproduce the classical electronic overdrive with plump, warm and sweet effect Enlarging the output to get the tightened electromagnetical sound Whole Aluminium-alloy classic, stable and strong True bypass provide transparent tone LED indicator shows the working state Specifications: Input impedance: 520 Ohms Output impedance: 12 K Ohms Working current: 8 mA Power Supply: 9V AC adapter (positive Tip) Dimensions: 95mm (D)*44mm (W)*48mm (H) Weight: 240g (with box) Precautions: •Environment: 1.Do not use the pedal in high temperature, high humidity, or subzero environments. 2.Do not use the pedal in the direct sunlight. •Please do not dissemble the pedal by yourself. •Please keep the manual for future reference. Package included: 1 x Donner Blues Drive guitar effect pedal 1 x User"s Manual