Powerful UV Detection Anywhere
The UltraFire 501UV Zoom delivers a 395nm ultraviolet beam ideal for detecting pet urine, hidden stains, counterfeit currency, or ID markings. Perfect for both home use and professional inspection tasks.

Precision Zoom & Clear Optics
Equipped with a convex optical lens, the 501UV offers smooth zoom control for adjustable focus—from a wide flood to a concentrated 200-meter beam—so you see details clearly every time.

Built to Last
Made from aircraft-grade aluminum alloy with an IPX4 waterproof rating, this UV flashlight is ready for rain, dust, or daily wear. Durable enough for outdoor adventures and reliable for long-term use.

Compact & Versatile Power Options
Weighing just 89g, the 501UV fits easily in your pocket or backpack. It runs on one 18650 or two 16340 rechargeable batteries, giving you flexibility and consistent performance wherever you go.