Features: Analog delay guitar effect pedal with classic warm delay effect, feel like old school tape delay. 3 control knobs: FEEDBACK--adjust the delay feedback, ECHO--adjust the level of delay sound, TIME-- adjust the delay time(up to 530ms). True bypass footswitch for switching between delay and bypass status. With LED light for indicating effects or bypass status. Zinc Alloy shell and compact size, durable and portable. Specifications: Input: 1/4 inch monaural Jack(impedance:2.2M ohm) Output: 1/4 inch monaural Jack (impedance:100K ohm) Power Supply: DC 9V AC adapter (center minus plug)(NOT included) Item Size: 90 * 40 * 35mm / 3.54 * 1.57 * 1.37in Item Weight: 220g / 7.76oz Package Weight: 291g / 10.26oz Package Size: 11 * 6.5 * 6.3cm / 4.33 * 2.56 * 2.48in Note: 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. Packing List: 1 * Effect Pedal