Used only indoors, integrated into an effects board. Selling due to a system change. Features: Professional digital reverb effect pedal with a total of 9 reverbs, adaptable to various music genres. 9-mode reverb selection knob to adjust Room, Hall, Plate, Spring, Shimmer, Cloud, Bloom, Swell, and Lo-Fi. MINI-EFX achieves warm, natural, and bright tones, also featuring a dynamic response. Equipped with PARAM 1, PARAM2, PARAM 3, DECAY, and MIX control knobs to adjust effect parameters. True bypass design minimizes sound loss. Lightweight, durable, and compact pedal that takes up minimal space on a pedalboard. Features a compact size, plain design, sturdy construction, excellent feel, and is lightweight and durable. DC9V 300mA power supply (internal negative, external positive). A practical and easy-to-use effects pedal that brings rich expression to playing and practice. Specifications: Material: Metal Input: Standard 1/4 inch jack - MONO/TS Output: Standard 1/4 inch jack - MONO/TS Power 1: DC9V≧300mA Power 2: USB 5V≧300mA Item size: 112 * 68 * 40mm / 4.41 * 2.68 * 1.57 inches. Item weight: 235g / 8.31oz Package weight: 267g / 9.44oz Package size: 12.7 * 7.5 * 4.7cm / 5 * 2.95 * 1.85 inches Package List: 1 * Effect Pedal 1 * Manual (English) - Model Name: MINI UNIVERSE - Accessories: Instruction Manual - Power Supply: DC 9V - Country of Manufacture: China - RoHS: Compliant - Control Knobs: 6 knobs (MIX, SWEEP, RATE, DEPTH, FEEDBACK, SAMPLE) Thank you for viewing. Due to frequent business trips, I may not be able to ship immediately. Please understand that this is a used item.