Item Type: Guitar Effect PedalColor: WhiteMaterial: MetalInput Impedance: 500KOutput Impedance: 10KDelay Time: 0.9ms~6.4msEffect Change Rate: 0.4Hz~8HzWorking Current: 20mAProduct Power Supply Mode: 1 x 9V battery 6F22(not included) or 9V DC power adapter(not included) 1USING BBD CIRCUIT: Classic flanging guitar effect pedal using BBD circuit to achieve excellent metal flanging sound, wave like chorus sound and fast trembling vibrato 2MAINTAIN THE BEST SOUND QUALITY: Excellent tone electric guitar effect pedal and real bypass provide transparent tone, minimize tone loss, in order to maintain the best sound quality 3WITH SMALL LED FLASH: Adopt classic paint finish, firm and stable, equipped with a small LED flash to indicate working status 4EXCELLENT PERFORMANCE: Input impedance is 500K, output impedance is 10K, this effect pedal come with excellent performance 5GOOD METAL MATERIAL: Guitar effect pedal use excellent metal material, easy to conduct electricity, shiny, sturdy and durable