Features: 1.The overdrive effect has overdrive sound with a strong sense of compression, and has a large gain. 2.With Comp switch, you can adjust the degree of compression of the tones, and it is easy to operate. 3.Pedal with bypass can provide transparent tone, minimize tone loss to maintain original sound quality. 4.The stompbox has independent effect of a single tone, with excellent sound quality and easy control. 5.The effect shell is made of metal, which is resistant to impact and abrasion, and can be used for a long time. specification:Item Type: Overdrive Effect Material: Metal Color: Orange Input Impedance: 1M Output Impedance: 47 Working Current: 20mA Working Voltage: DC 9V (external positive internal negative) PackageList: 1 x Effect 1 x User Manual 4 x Foot Pads NoteThe positive and negative poles of the power supply must be the same as the positive and negative poles of the effector when connecting.