It’s a galvo.
OK, I wanted to make sure I had the 10% discount secured for you all before sharing any links. For anyone interested in one, use the links below to get 10% discount off the price for G2 20w and G2 Pro 30w models.
G2 20w:

G2 20W Metal & Plastic Fiber Laser Engraver
Mark stainless, anodized aluminum, brass & plastics. 200×200 mm field, rotary-ready, fast setup.
Price: USD 1,259.00
G2 Pro 30w:

GWEIKE G2 PRO 30W Fiber Laser | Desktop Metal Engraver
Portable desktop fiber marker for steel, aluminum, brass & select plastics. Deep engraving capability, rotary-ready.
Price: USD 1,599.00
I don’t have the videos done yet, but I will.