Features:Classic analog flanger sound with filter mode and oscillator effects.2 working modes: Normal(undulating electricity sound)/ Filter(freeze the flanging effect, create a static filter sound).With COLOR, RANGE and RATE knob for adjusting the parameters of the effect.Micro size and full metal shell, portable and durable.With true bypass footswitch and LED indicator light.Control Knobs:COLOR-- adjusts the feedback of flangerRANGE-- adjusts the limit range of sweeping scope in Normal mode and manually adjusts the filter matrix in Filter modeRATE-- adjust the speed of flanger in Normal mode and it will be disengaged in Filter modeSpecifications:Material: MetalSignal Input: 1/4Monaural Jack (impedance: 1M Ohms)Signal Output: 1/4Monaural Jack (impedance: 510 Ohms)Power Supply: DC 9V adapter (center minus plug)(not included)Working Current: 10mAItem Size: Approx. 3.5 * 9 * 3cm / 1.4 * 3.5 * 1.2inItem Weight: Approx. 150g / 5.3ozPackage Size: 10.5 * 6 * 4.5cm / 4.1 * 2.4 * 1.8inPackage Weight: 175g / 6.2ozNote:The power adapter is not included.Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.Package List:1 * Effect Pedal1 * User Manual