Purchased in 2021. Used a few times for recording at home. Haven't used it recently and have been storing it. The knobs light up red, making it easy to see in the dark. Body only. Batteries and adapter are not included. Operation confirmed. According to YouTube review videos: - It seems to be a copy of the MXR equalizer. - It has a natural sound and is reliable and durable for its price. -------------------------------------------------- 6-band equalizer. Allows for sound quality adjustment. - Brand: JOYO - Model: 6 BAND EQUALIZER (100hz, 200hz, 400hz, 800hz, 1.6khz, 3.2khz) - Function: TRUE BYPASS - Power: DC 9V (battery or adapter) - Output terminal: OUT Thank you for viewing. #EQ #GuitarEffecter