This handle bar mounted switch is often referred to as "instrument switch", "light switch" "starter switch" and many other names. Most commonly (but not exclusively) used for 400cc ATVs from companies like Odes and Liangzi.
2WD / 4WD Switch - 400cc, 500cc, 700cc, 800cc Hisun
4 pin CDI
Alarm - ATV, Remote Kill Switch
ATO Fuse - 10A, Red (10pcs)
ATO Fuse - 15A, Blue (10pcs)