This portable chorus effect pedal is compact and exquisite; it has 3 control knobs and can make you greatly enjoy your electric guitar playing. Features: Electric guitar chorus effect pedal with true bypass, it ensures lossless transmission signals. Designed with pure analog circuit, and adopts BBD chip. Suitable for using in broken chord. Provides you with variety of chorus sounds from clean and clear to wide and fat. With 3 control knobs (LEVEL/ DEPTH/ RATE) for you to custom your own tone. Full metal shell and compact size design, durable and portable. Note: 1. The power adapter is not included. 2. Color and size may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Material: Metal Input: 1/4" Monaural Jack (impedance: 2.2M Ohms) Output: 1/4" Monaural Jack (impedance: 10K Ohms) Power Supply: DC 9V Power Adapter (negative inside and positive outside) Item Size: 9 * 4 * 3.5cm / 3.5 * 1.6 * 1.4in Item Weight: 226g / 8oz Package Size: 11 * 6.5 * 6cm / 4.3 * 2.6 * 2.4in Package Weight: 295g / 10.4oz Package List: 1 * Effect Pedal 1 * User Manual (English)