A few good questions.

Which is better, the UltraFire WF-502BRX Red or the UltraFire LG20X PRO Green?

Neither wins for everyone. Choose the UltraFire WF-502BRX Red for predator and varmint hunters who prefer a red light and want the battery, mount, and remote switch included. Choose the UltraFire LG20X PRO Green for predator and hog hunters who want a long-throw green light, with an optional mount and remote switch bundle.

Which one is cheaper?

The UltraFire WF-502BRX Red costs $4.00 less than the UltraFire LG20X PRO Green at the prices we checked.

Is there a UltraFire discount code?

Yes. Code SEBASTIANBASSOL gives 8% off on the official UltraFire store. Paste it at checkout and the saving shows in your order summary.

Who should skip the UltraFire WF-502BRX Red?

Look elsewhere if you need a high-output white light, long throw past 150 meters, or a light that can be used where lights on firearms are banned.

Who should skip the UltraFire LG20X PRO Green?

Look elsewhere if you want a short compact light, a light with a published single set of output figures, or a light for places that ban lights on firearms.