Nitecore UV Flashlight Guide: P20i UV vs TIKI UV

A Nitecore UV flashlight can be a useful inspection tool during a paranormal investigation, but not because it detects ghosts. A 365nm ultraviolet beam can make certain fibers, dyes, residues, security markings, and fluorescent materials easier to notice. That makes UV useful for documenting a location and finding ordinary explanations before an unusual mark or glow is treated as paranormal evidence.

This guide compares the Nitecore P20i UV, Nitecore TIKI UV, and Nitecore MH27UV. It explains their verified specifications, where each model fits in an investigation kit, and what a UV flashlight can and cannot tell you.

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Quick answer: Which Nitecore UV flashlight is best?

For most investigators who want one rugged flashlight for both navigation and close-range UV inspection, the Nitecore P20i UV is the strongest all-around option. Its main white beam reaches up to 1,800 lumens, while four 365nm UV LEDs provide 320mW of radiant output. The aluminum body is rated IP68 and uses a rechargeable 21700-series battery.

The Nitecore TIKI UV is a better fit when portability matters most. It weighs only 10.5 grams and provides a dedicated 365nm UV beam rated at 1,000mW, plus high-CRI white auxiliary lights. It is ideal as a pocket backup or for close inspection, but its small built-in battery is not designed to replace a full-size investigation light.

Check the Nitecore P20i UV on Amazon

Check the Nitecore TIKI UV on Amazon

Why use a UV flashlight during a paranormal investigation?

A UV sweep is best treated as part of your location documentation, not as a paranormal detector. Some materials absorb ultraviolet radiation and release visible light, a reaction called fluorescence. A dark-room sweep can therefore reveal things that are difficult to notice under ordinary white light.

During a walkthrough, a 365nm light may help you:

• Notice fluorescent fibers, dyes, paints, adhesives, and cleaning products.
• Find markings or residues that could create confusing reflections in photos or video.
• Check security features on documents or currency.
• Document contamination introduced by visitors, investigators, or maintenance work.
• Identify areas that deserve closer inspection under normal light.

NIST has demonstrated how fluorescent powder and black light can visualize otherwise invisible particle transfer in a laboratory. That is a useful reminder for paranormal teams: contamination can spread farther than expected, and fluorescence can help demonstrate that movement. However, a glow by itself does not identify the material or prove how it arrived.

For more background, read what a UV flashlight is used for and HauntGears’ broader guide to choosing a 365nm UV flashlight.

Nitecore UV flashlight comparison

Important: radiant power in milliwatts describes UV output, while lumens describe visible light. The larger milliwatt number on the TIKI UV does not mean it replaces the P20i UV as a full-size navigation flashlight.

Nitecore P20i UV: Best all-around field option

The P20i UV combines a high-output white flashlight with four 365nm UV LEDs. According to Nitecore, the main beam produces up to 1,800 lumens and reaches up to 337 meters. The UV system is rated at 320mW. The flashlight weighs 124 grams without accessories and carries an IP68 rating for dust and water resistance.

Why investigators may like it

• One body provides both white navigation light and 365nm UV inspection.
• USB-C charging is convenient between investigations.
• The aluminum construction and IP68 rating suit damp basements and outdoor locations.
• Dual tail switches make the controls easy to locate in darkness.

Possible drawbacks

• The P20i UV uses Nitecore’s proprietary 21700 i-series battery system.
• Its UV beam is a secondary feature rather than a filtered, dedicated forensic light.
• An independent flashlight review observed visible-light spill in the UV beam, which can make faint fluorescence harder to see.

Best for: investigators who want a durable primary flashlight with a useful close-range UV mode.

View current Nitecore P20i UV listings on Amazon

Nitecore TIKI UV: Best compact UV option

The TIKI UV is a small, dedicated 365nm UV keychain light rather than a tactical flashlight. Nitecore rates its UV output at 1,000mW and equips it with a TIR lens for a broad, even inspection area. It also includes two high-CRI white LEDs that are useful when you need to view color more naturally at close range.

Why investigators may like it

• It weighs just 10.5 grams and is easy to keep clipped to a bag.
• The dedicated 365nm emitter is well suited to close inspection.
• Its built-in battery charges by USB-C.
• The IP66 rating provides protection against dust and strong water jets.

Possible drawbacks

• The 130mAh battery is much smaller than a full-size flashlight battery.
• Its compact body is better for nearby surfaces than room-scale searching.
• The battery is built in rather than field-swappable.

Best for: a lightweight backup, pocket carry, or focused close-range inspection.

View the Nitecore TIKI UV on Amazon

Nitecore MH27UV: An older multi-color alternative

The MH27UV combines a 1,000-lumen main light with red, blue, and 365nm UV emitters. Nitecore rates the UV output at 500mW and the main beam distance at up to 462 meters. Its support for a standard rechargeable 18650 battery or two CR123 batteries may appeal to teams that already use those formats.

Its extra color modes provide flexibility, but this is an older and heavier model. Availability may be inconsistent, so compare seller details and return terms before ordering.

Check current Nitecore MH27UV availability on Amazon

What 365nm means – and why it matters

Both 365nm and 395nm fall within the UVA portion of the ultraviolet spectrum. A 365nm light generally produces less visible purple light and can provide better contrast for many fluorescent materials. A 395nm light often looks brighter to the eye because more of its output is near the visible-violet range, but that visible glow can compete with faint fluorescence.

Wavelength is not the only factor. Beam shape, radiant output, viewing distance, ambient light, and whether the flashlight uses a visible-light-blocking filter can all affect what you see. For a wider comparison beyond Nitecore, see HauntGears’ Amazon UV flashlight guide.

How to use a UV flashlight during a walkthrough

1. Photograph the area under white light first. Record the surface before changing the lighting.
2. Reduce ambient light. Fluorescence is easier to see in a dark or dim room.
3. Hold the light at an angle. Sweep slowly across walls, floors, fabrics, and objects instead of pointing the beam straight down.
4. Mark the location without touching it. If something glows, document the position before handling the area.
5. Take comparison photos. Capture the same area under white light and UV light, using a scale or reference object when appropriate.
6. Do not identify a substance by color alone. Different cleaners, dyes, fibers, biological materials, and residues can fluoresce in similar ways.

A UV flashlight can support documentation, but it is not a laboratory test. It cannot confirm that a mark is blood, another bodily fluid, mold, or paranormal evidence. Latent fingerprints also do not simply become visible in every situation; professional examiners may use specialized powders, dyes, filters, and validated procedures.

UV safety for investigators

Never look directly into a UV emitter or point it at another person’s face. Limit exposure, keep the beam away from uncovered skin, and follow the manufacturer’s instructions. NIST guidance for forensic light sources calls for proper viewing filters or goggles when fluorescent processing methods are used, and the CDC notes that ultraviolet exposure can harm the eyes and skin.

• Use protective eyewear rated for the wavelength you are using.
• Do not treat a 365nm UVA flashlight as a disinfecting UVC device.
• Keep the light away from children and bystanders.
• Avoid prolonged illumination of skin, eyes, animals, artwork, and sensitive materials.
• Follow all battery, charging, and lockout instructions in the product manual.

Compare 365nm UV protective glasses on Amazon

Which Nitecore UV flashlight should you choose?

• Choose the P20i UV if you want one rugged flashlight for navigation and occasional UV inspection.
• Choose the TIKI UV if you want the smallest dedicated 365nm light for close-range checks and backup carry.
• Consider the MH27UV if you prefer a standard 18650 battery and want red, blue, UV, and long-range white-light modes in one older model.

For paranormal work, the best UV flashlight is the one that helps you document a scene consistently and rule out ordinary causes. Use it alongside white-light photographs, written notes, audio recorders, and environmental instruments – never as proof by itself.

Compare Nitecore 365nm UV flashlights on Amazon

Frequently asked questions

Can a Nitecore UV flashlight detect ghosts?

No. A UV flashlight reveals fluorescence in certain materials. It can help investigators find contamination or ordinary sources of unusual visual effects, but it cannot establish paranormal activity.

Can a 365nm UV flashlight reveal fingerprints?

Not reliably by itself. Some treated prints or contaminated surfaces may fluoresce, but forensic fingerprint work often requires specific powders, chemical processes, filters, and controlled procedures.

Is 365nm better than 395nm?

For many inspection tasks, 365nm provides stronger fluorescence contrast with less visible purple spill. A well-made 395nm light can still be useful for basic searching, but it is not automatically equivalent.

Does a UV glow identify blood or another bodily fluid?

No. Fluorescence is only a visual clue. Many unrelated substances can glow, and some materials of interest may not. Treat unknown residue cautiously and do not touch or collect it without permission and appropriate training.

Is the Nitecore TIKI UV strong enough for an investigation?

It is useful for close-range scanning and as a backup. For navigation, long sessions, and larger spaces, pair it with a full-size white flashlight or choose a dual-purpose model such as the P20i UV.

Sources and specification references

• Nitecore P20i UV official product specifications
• Nitecore TIKI UV official product specifications
• Nitecore MH27UV official product specifications
• NIST: Using fluorescent powder to visualize particle transfer
• NIST OSAC guidance for forensic light sources and friction-ridge impressions
• CDC: Ultraviolet radiation risks