This is a copy of a Rat, but it has a sound that shouldn't be underestimated. It has a better sound than the recent Chinese-made Rat2. This is a guitar effects pedal with distortion, filter, and volume adjustment. - Brand: LITTLE-BEAR - Model Name: R.A.TACK RT-2 - Functions: Distortion, Filter, Volume Adjustment - Power Type: Battery Powered - Connections: Input Jack, Output Jack Thank you for looking. Body only. Thank you.