Feature: 1. FOR ACOUSTIC GUITAR: Digital reverb stompbox effect, suitable for acoustic guitar, which is easy to operate, and has wide range of application. 2. 3 REVERB MODES: This guitar effect pedal provides 3 reverb modes, namely Reverb, Mod, Filter, which has good practicality. 3. METAL SHELL: The guitar effect shell is made of excellent metal material, with high hardness, wear resistance and long service life. 4. 1/4IN INTERFACE: The effect pedal has 1/4in mono audio input and output interfaces, with low impedance and stable performance. 5. POWER SUPPLY: With 9V DC transformer (inside negative outside positive) power supply, can be used at any time, suitable for guitar lovers. Specification: Item Type: Reverb Effect Material: Metal Color: Yellow Product Input: 1/4in Mono Audio Interface (Impedance: 470kΩ) Product Output: 1/4in Mono Audio Interface (Impedance: 100Ω) Power Supply: 9V DC transformer (inside negative outside positive) Working Current: 130mA. Package List: 1 x Effect 1 x User Manual 1 x Sticker