Stop Guessing. Start Finding.

The upgraded UltraFire ZV PRO-254nm delivers pure, intense UVC power to instantly reveal the vibrant fluorescence hidden in Calcite, Willemite, and more.

UltraFire® ZV PRO-254nm UV Flashlight

Name: UltraFire® ZV PRO-254nm UV Flashlight
Brand: UltraFire
SKU: 9643
Price: 36.92 USD
Availability: InStock

254nm | USB Rechargeable | ZWB2 UV Filter
The UltraFire ZV PRO-254nm is a rugged, high-power tool designed for finding vibrant glowing rocks. It delivers a pure, intense Shortwave UVC beam using a dedicated black filter lens (ZWB2) to block visible light and excite fluorescent minerals like Calcite and Fluorite. This PRO version is built tough with CNC-machined aluminum and features convenient USB recharging, with compatibility for long-lasting 21700 or 18650 batteries—making it the ultimate essential for serious rockhounds and professional inspectors.

$36.92

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3-Year Warranty

Flashlight Operation & Safety Guide

⚠️ CRITICAL SAFETY WARNING ⚠️

Invisible & Dangerous: 254nm UVC light is invisible to the human eye and severely damages living tissue.

Eye & Skin Protection: Always wear UVC-blocking safety goggles. Never point the beam at your eyes, skin, other people, or pets.

Operation & Battery

Battery: Insert 1x 18650 lithium-ion battery with the positive (+) end facing the head. (Remove battery to charge).

Power: Click the tail switch for On/Off (Single mode).

How to Test: Because the UVC beam is invisible through the black filter lens, never look directly into the lens to check if the light is on. Shine it on a piece of white printer paper to see the fluorescent reaction.

Title

What's Included

· UltraFire ZV PRO-254nm UV Flashlight

· Rechargeable 21700 5000mAh 3.7V lithium-ion battery

· Type-C Charging Cable

Are You Leaving the Best Rocks Behind?

Standard UV lights flood the ground with a harsh purple glare, masking the true colors of your finds. Worse, most affordable flashlights don't emit the true shortwave (254nm) required to activate 90% of fluorescent minerals. If you're hunting with the wrong wavelength, you are walking right past glowing treasures.

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STANDARD 365NM UV

ZV PRO-254NM

Pure Fluorescence, Zero Glare

Don't let visible light wash out your finds. The side-by-side test proves it: standard UV lights flood the area with a harsh purple glare, masking the rock's true colors. Our dedicated ZWB2 black filter lens strictly isolates the 254nm beam, eliminating interference to reveal pure, high-contrast mineral fluorescence.

Intense 254nm Shortwave Power

See the unseen. Watch as a seemingly ordinary rock instantly ignites with vibrant, multi-colored fluorescence. The UltraFire ZV PRO delivers a true 5W / 60mW 254nm shortwave UVC beam, providing the precise, high-power wavelength needed to activate Calcite, Willemite, and over 90% of all fluorescent minerals.

Fast USB-C Direct Charging

Stop hauling bulky external battery chargers into the field. The UltraFire ZV PRO features a built-in USB-C port, allowing you to charge up anywhere—from your truck, a portable power bank, or a wall adapter. Supports high-capacity 21700 batteries (and standard 18650s) for maximum runtime.

Why the ZV PRO -254nm Outperforms the Rest.

Them

Cheap plastic lenses, heavy visible white light bleed, weak output.

UltraFire ZV PRO-254nm

Specialized high-temperature vacuum-plated reflector, a dedicated black filter lens for pure 254nm transmission, and a rugged CNC-machined solid aluminum body with hard anodizing.

What the Pros Are Saying.

"This light completely changed my rockhounding loadout. The black filter lens is incredible—no purple glare, just pure, intense fluorescence from my finds. The USB charging on this PRO version is a lifesaver when I'm camping off-grid."

– Richard Price, Verified Buyer & Mineral Enthusiast

Frequently Asked Questions (FAQ)

Q: Do I need to wear safety glasses with this flashlight?

A: Yes, absolutely. The UltraFire ZV PRO-254nm emits shortwave UVC light, which is invisible but highly hazardous to your eyes and skin. For your protection, we include a free pair of certified UVC-blocking safety goggles with every order. Always wear them during use.

Q: The light looks very dim when I turn it on. Is it broken?

A: Not at all! Shortwave 254nm UV light is completely invisible to the human eye, and the ZWB2 black filter lens blocks out almost all visible light. To test it, shine the beam on a piece of white printer paper or a known fluorescent mineral—you will see a bright reaction. Never look directly into the lens!

Q: How do I charge the PRO version?

A: The ZV PRO-254nm features a convenient built-in USB charging port. You can plug a USB cable directly into the flashlight to recharge, making it incredibly easy to power up in the field or at home.

Q: What kind of battery does it use?

A: This upgraded PRO model is highly versatile. It supports high-capacity 21700 lithium-ion batteries for maximum runtime during long rockhounding trips, and it is also compatible with standard 18650 batteries.

Q: Can I use this for curing UV resin or finding pet stains?

A: No. For resin curing or pet stains, you need a longwave UVA light (like 365nm or 395nm). This 254nm shortwave light is specially built for fluorescent mineral hunting (rockhounding) and professional inspections.

Q: Is the flashlight safe to use outdoors?

A: Yes, it has an IP54 rating, meaning the solid aluminum body is tough, dust-resistant, and can easily handle splashing water or light rain during your outdoor expeditions.

Shop with Absolute Confidence.

Your purchase is backed by UltraFire’s 30-Day Money-Back Guarantee. If the ZV-254nm doesn't meet your rigorous field standards, send it back for a full refund. No hassle, no risk.

Product Specifications

Light Source: UVC Shortwave Ultraviolet
Wavelength: 254nm
Power Output: 5W
Radiant Flux: 60mW
Reflector: High-Temperature Vacuum-Plated Aluminum Alloy
Lens: Dedicated Black Filter Lens
Battery Compatibility: 1x 18650 OR 1x 21700 Lithium-ion
Charging Method: USB Direct Charge
Operating Voltage: 3.7V - 4.2V
Operating Current: 0.5A
Operation Modes: 1 Mode (Single Output)
Switch Type: Mid-Body Push Button (Side Switch)
Material: Solid Aluminum Alloy
Color: Black
Weather Resistance: IP54 (Dust & Splash Resistant)
Length: 5.20 in (132 mm)
Head & Tail Diameter: 1.10 in (28 mm)
Weight (No Battery): 3.25 oz (92 g)