Feature: 1. Valve Combination Simulator: Valve combination simulator, overload, with a charming mini appearance. 2. Gain Control: This is a stompbox with volume, tones and gain control to get the desired output. 3. 2 Modes: This is a classic tones effect with 2 boost and normal modes, providing transparent tones. 4. Metal Body: All metal classic body, stable and sturdy, making this pedal safe to transport. 5. Mellow Output: You will be surprised by the rich and mellow output of this effect, which sounds clean. Specification: Item Type: Overdrive Analogue Effect Pedal Material: Metal Colour: Silver Input Impedance: 470k Ohms Output Impedance: 1k Ohms Applicable Power Supply: 9V DC Power Adapter, Negative Polarity Inside and Positive Outside (Power adapter does not include). Package List: 1 x Effector1 x User Manual 1 x Hook and Loop Fastener1 x Sticker Note: Note that the positive and negative poles of the effector and the power adapter should be the same