Features: Analog circuit phase pedal, superior dynamic response. Warm and full of phase tone, psychedelic phase effects; only one knob to control phase speed. True bypass footswitch for switching between overdrive effect and bypass status. With LED light for indicating effects or bypass status. Zinc alloy shell and compact size, long-lasting and portable. Note: 1. Power adapter is not included. 2. Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Specifications: Input: 1/4 inch monaural Jack (impedance: 2.2M ohm) Output: 1/4 inch monaural Jack (impedance: 150K ohm) Power Supply: DC 9V AC adapter (center minus plug)(not included) Item Size: 9 * 4 * 3.5cm / 3.54 * 1.57 * 1.38in Item Weight: 220g / 7.76oz Package Size: 11 * 6.5 * 6.3cm / 4.33 * 2.56 * 2.48in Package Weight: 300g / 10.58oz Package List: 1 * Effect Pedal