Tubescreamer-ish,  but with moooooore. First, the toggle switch goes between longer sustain, high gain sounds and more open crunchy and natural tones with a bit more volume and headroom. Next, on this handy v2 example, you get a clean blend. Off you go then, go nuts: this is full of good sauce.

Model: JHS Moonshine v2 
Made: USA, 2022 (serial 0227025)
Type: overdrive/preamp, TS voicing
Power: standard 9v DC negative supply (not included)
Equivalent new street price (approx): $319aud
Mods: none
Accessories: no box or manual

Condition notes: used, no major marks, fully functional. Overall: very good condition