Feature: 1. Guitar multi effects pedal with large high brightness LCD display. 8 effect modules including 66 effect types, providing you with a sound library. 2. 23 distortion sounds with 7 legendary amp simulators. 80 preset patched and 80 user patched for you to creating your own sound library. 3. 180s loop recording, 40 drum and 10 metronome rhythms allows to create your own music without computer. Supports tap tempo, tuning, and scale and chord lesson functions. 4. 6 assignable expression pedal parameters improve the convenience and diversity of controlling the tone. Dual power supply method, DC 9V adapter (included) or 4 x AA batteries (not included). 5. By using a completely new digital planform, this effect pedal will provide you with the most authentic, modern and rich tones. No matter it is stompbox simulation or amp simulation, this guitar multi effects processor will present all. Unique and rich tones. With easy operating and versatile function, it can definitely help you to get your own unique sound. Specification: Item Type: Effect Pedal Material: Metal Bottom, Plastic Casing Model: GE100 Input Jack: 1/4in Mono Sound Jack Output Jack: 1/4in Stereo Sound Jack Power Supper: DC 9V Adapter (Included) Or 4 X AA Batteries (Not Included) Item Size: 23 x 14 x 4.5cm / 9.1 x 5.5 x 1.8in Item Weight: 741g / 1.6lb (Excluding Batteries). Package List: 1 x Effect Pedal 1 x Adapter 1 x User Manual(English) Note: 1. Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.2. Manual measurement, please allow some errors.