Multi-functional compressor pedal, made by Studio Daydream. - Model Name: RAY Compressor - Color: Blue - Function: Compressor - Knob Types: MID-FREQ, MID, TREBLE, BASS, PRE GAIN, SUSTAIN, ATTACK, VOLUME - Manufacturer: Studio Daydream Includes box and warranty card. The warranty period has expired, and the paper is slightly bent. There is a scratch on the right side of the effector. Please purchase this item for the purpose of playing, such as incorporating it into a pedalboard. Functionality has been confirmed.