Great blues breaker overdrive style. Loads of online reviews highlighted it as one of the best alternatives to the original. This is the Pro Series (kind of V1) with the Fat knob and hot switch toggle. Pretty much similar to the new Select series available on the market.

Bought in the US, quite rare to find one of these in the UK. No box, but will be safely packed.

Description

It is an Overdrive/Boost guitar effect that is popular for its natural and transparent sound tones that give a tube amp-like feel.

The main features in summary:

Sound type: It is an overdrive that provides low-gain (not very distorted sound), suitable for blues or edge-of-breakup music.
Tones: They are often described as "Woody" (feels like wood), Organic (natural), and Dynamic (responsive to playback).
Main control buttons: There are 4 buttons:
Volume: Controls the overall volume.
Gain: Increase/decrease the level of sound disintegration.
Tone: Control the treble range.
Fat: This is a special control button that helps adjust the thickness/saturity of the low-mids range, making it easier to adjust the sound to fit various types of amps and pickups.
"Hot" switch (for Pro Series models): A notable feature of the Pro Series is the "Hot" switch, which increases gain and low-mids, resulting in a more aggressive and thick overdrive sound, suitable for use as a solo sound (Lead Tone).
Usage: Can be used as a Clean-ish Boost (to increase the volume) or as an Overdrive that provides a loud sound like a tube amp with high volume.
True Bypass: It has a True Bypass circuit, so the sound doesn't drop when the effect is turned off.