Upgrade your older model Olight M20 or M20S with these CREE XM-L LED upgrades. Olight M20 Upgrades fit in Olight M20 Q5, R2, R5, an S2 LED models. The M20S upgrade will work in M20S R5 and S2 LED versions. Available in a U2 or T6 LED. XM-L LED upgrades will improve the light output, beam distance, runtime, and LED color of your favorite Olight flashlight.