This is a Kenwood KDC-MP333 car CD receiver with its accompanying remote control. Model Information: The KDC-MP333 is car audio unit capable of playing CD and MP3 files. Features: It includes a rotary volume knob, detachable faceplate functionality, and an "ATT" (attenuator) function for quickly reducing volume. Condition Check: If this is for a purchase, thoroughly inspect the unit for any "Protect" mode errors, which often indicate wiring issues or internal amplifier damage. Contact 0+3+2+1+4+9+7+5+9+9+8