Reveal the Invisible - Fenix Flashlights with UV Light
5.11.2025
In today's world, where emphasis is placed on detail and safety, technology that allows us to see what is hidden from the naked eye is becoming increasingly important. We're talking about ultraviolet (UV) light. Once the domain of specialists and forensic experts, it is now accessible to everyone thanks to modern LED flashlights. Today, in our detailed guide and comparison, we will focus on top models with UV light from the renowned brand Fenix.
Whether you are a professional needing to verify the authenticity of documents, an outdoor enthusiast searching for tracks at night, or just want to be sure of the cleanliness of your surroundings, a flashlight with UV light is a tool that will open up new possibilities. In this article, we will take a close look at several models and divide them into three categories based on size and purpose – from the smallest EDC flashlights for your pocket, through the mid-range for professionals, to high-performance 'pros' with staggering power.
What is UV light good for? A wide spectrum of uses
Ultraviolet light, specifically the 365 nm wavelength used by Fenix flashlights, can make fluorescent materials visible. In practice, this means a whole range of applications:
- Authenticity verification: Banknotes, documents, payment cards, and other valuables have security features that are particularly visible under UV light.
- Detection and inspection: UV light reveals fluid leaks in engines, cooling systems, or air conditioning. It is also used to check the cleanliness and quality of materials.
- Tracking game and finding insects: It makes wild animal tracks visible and reveals certain types of insects.
- Geology and mineralogy: Some minerals glow under UV light, which facilitates their identification.
- Household and hobbies: You can uncover hidden pet stains on the carpet, check the quality of fibers, or cure special UV adhesives.
Search & Rescue operations, Ore hunting, Scorpion capturing, Wildlife trace searching
The Smallest EDC Flashlights: Inconspicuous Pocket Helpers
For Everyday Carry (EDC), compactness, low weight, and versatility are key. Three models from Fenix excel in this category, offering not only classic white light but also a practical UV light.
Comparison: SW05R-UV vs. E06R vs. LD02 V2.0
| Feature | Fenix SW05R-UV | Fenix E06R | Fenix LD02 V2.0 |
|---|---|---|---|
| UV Light Power | 1500 mW | 580 mW | 200 mW |
| Max Output (White Light) | 150 lumens | 700 lumens | 70 lumens |
| Power Source | Integrated 700mAh battery (USB-C charging) | Integrated 750mAh battery (USB-C charging) | 1x AAA battery |
| Key Features | Rotating head (200°), magnetic tail cap, clip | Red laser, pulsing light, magnetic base | High color rendering index (CRI 90), warm light tint |
Fenix SW05R-UV: Flexibility First
This multifunctional flashlight is a true chameleon. Thanks to its 200-degree rotating head, a clip for attaching to a pocket or cap, and a magnetic tail cap, you can attach it almost anywhere and shine the light exactly where you need it. With a UV light output of 1500 mW, it is an exceptionally powerful source in this category, ideal for professionals who need a reliable tool in the field.
Fenix SW05R-UV
Fenix E06R: Power and Extra Features
The E06R model is a more powerful variant (in white light). For such a small device, it offers a staggering light output of up to 700 lumens, making it a fully-fledged flashlight for various situations. In addition to UV light, it is also equipped with a red laser pointer, which you will appreciate during presentations or training. Users praise its intuitive operation and quality craftsmanship.
For T-shirt, facial mask and diaper inspection
Fenix E06R
Fenix LD02 V2.0: For Those Who Appreciate Color Fidelity
This penlight is unique in its focus on the quality of white light. It uses an LED with a high color rendering index (CRI 90) and a warmer tint, allowing illuminated objects to be seen in their natural colors. This is ideal, for example, for medical examinations or inspecting paints and materials. Its UV light is less powerful, but it is perfectly sufficient for basic tasks like checking banknotes.
A flashlight the size of a small pen - Fenix LD02 V2.0
Bank card detection, Counterfeit currency detection, ID card detection
Mid-Range: Flashlights for Professional Use
Here we move on to models designed for demanding working conditions and specific tasks. They combine high white light output with a robust construction and a strong UV light.
Comparison: TK25 UV vs. WF25RM
| Feature | Fenix TK25 UV | Fenix WF25RM |
|---|---|---|
| UV Light Power | 3000 mW | 500 mW |
| Max Output (White Light) | 1000 lumens | 3000 lumens |
| Power Source | 1x 18650 Li-ion / 2x CR123A | 1x 21700 Li-ion 5000 mAh |
| Key Features | Rotating head for switching lights, dual tactical switch | Charging cradle, magnetic cable, integrated carabiner |
Fenix WF25RM: A Workhorse with Innovative Charging
This duty flashlight is designed for maximum reliability and convenience. Its main advantage is its unique charging system. You can simply snap the flashlight into the charging cradle (which can be mounted on a wall) or use the magnetic cable directly on the flashlight. Additionally, the battery itself has its own USB-C port. With an output of 3000 lumens and a 500 mW UV light, it is a versatile tool for police, firefighters, rescuers, and technical specialists.
The Fenix WF25RM comes with a practical charging cradle.
Fenix TK25 UV: The Tactical UV Specialist
The TK25 UV model is a tactical flashlight with one of the most powerful UV lights on the market – a full 3000 mW. This makes it ideal for professional forensic work, large-scale document verification, or for mineralogists. Switching between white and UV light is brilliantly simple – just twist the head of the flashlight. The dual tactical switch allows for quick and reliable operation in critical situations. Its robust and waterproof design ensures functionality even in the most demanding conditions.
Fenix TK25
Thanks to its design and Fenix accessories, you can also use the TK25 flashlight on a long gun.
Top-Tier: When Performance Really Matters
For those who demand the absolute best in performance and features, there are the LR35R and TK35R models. These flashlights combine a staggering white light output with advanced features, including a powerful UV light.
Comparison: LR35R PRO vs. TK35R
| Feature | Fenix LR35R PRO | Fenix TK35R |
|---|---|---|
| UV Light Power | 3.7 W | 3 W (two levels) |
| Max Output (White Light) | 10,000 lumens | 5800 lumens |
| Power Source | 2x 21700 Li-ion 6000 mAh | 2x 18650 Li-ion 4000 mAh |
| Key Features | Spotlight and floodlight, red light, power bank function | Dual tactical switch, FlexiSensa lever for mode selection |
Fenix LR35R PRO: A Pocket Sun with a UV Bonus
Note: The standard Fenix LR35R model does not have UV light. For this feature, you need to choose the PRO version.
The Fenix LR35R PRO is literally a light cannon in a compact package. With an incredible output of 10,000 lumens, it illuminates a huge area. In addition to white and UV light, it also offers a strong red light and a combination of a spotlight and a wide beam. All light modes can be smoothly increased or decreased with a rotary switch. Thanks to its two high-capacity batteries, it can also serve as a power bank to charge your other devices. It is an uncompromising tool for search and rescue operations and for anyone who needs maximum visibility in the field.
Fenix LR35R PRO
Fenix TK35R: Tactical Perfection with UV
The new TK35R model is the flagship of the tactical series. It offers a dazzling 5800 lumens and a beam distance of over 600 meters. It is equipped with a powerful UV light with two power levels (3 W and 1.5 W), which are selected using the innovative FlexiSensa control. This switch also allows the flashlight to be locked to prevent accidental activation. Its flat design fits perfectly in the hand, and the dual tactical switch ensures lightning-fast operation. It is the ideal choice for armed forces, security professionals, and demanding outdoor enthusiasts.
Fenix TK35R
Conclusion: Which Flashlight to Choose?
The choice of the right flashlight with UV light depends primarily on your needs.
- For everyday carry and occasional checks of banknotes or stains, the compact models SW05R-UV, E06R, or LD02 are ideal. Each of them offers slightly different advantages – flexibility, extra features, or top-notch light quality.
- For professional work where UV light is a daily necessity, go for the WF25RM with its convenient charging or the tactical specialist TK25 UV with its extremely powerful UV light.
- For the most demanding users who require maximum white light output and advanced features including UV, there are the top-tier models LR35R PRO and TK35R.
Whichever of these models you choose, you can be sure that with a Fenix flashlight, you will get a reliable partner that will light your way and reveal even what remains hidden.
