A few good questions.

Which is better, the UltraFire 502UV or the UltraFire C15R Red?

Neither wins for everyone. Choose the UltraFire 502UV for hunters, campers, and pet owners who want a low-cost 395nm UV light with an adjustable beam. Choose the UltraFire C15R Red for varmint and predator hunters who want a long-range red light at a low price with a kit option.

Which one is cheaper?

The UltraFire 502UV costs $12.00 less than the UltraFire C15R Red 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 502UV?

Look elsewhere if you want a built-in rechargeable battery, multiple modes, or an IP68 rating.

Who should skip the UltraFire C15R Red?

Look elsewhere if you want three or more modes, a high water rating, or a smaller light.