1. Product Overview
The WUBEN T4 is a high-performance tactical EDC (Everyday Carry) flashlight designed for versatility and durability. It features an impressive 850 lumens output and a long throw of 401 meters, making it suitable for a wide range of applications including law enforcement, military operations, outdoor activities, and daily use. Its robust construction and intuitive interface ensure reliable performance in demanding environments.

Image: The WUBEN T4 Tactical Flashlight, showcasing its compact design and distinctive blue pocket clip and bezel.
2. Package Contents
Please check the package contents upon unboxing to ensure all items are present:
- WUBEN T4 Flashlight
- USB-C Charging Cable
- User Manual (this document)
- Waterproof Ring (spare O-ring)
3. Key Features
- Tactical EDC Brilliance: Projects a bright beam up to 401 meters with 850 lumens, enhancing visibility for various activities.

Image: The WUBEN T4 demonstrating its long-distance beam, highlighting its 850 lumens and 401-meter throw capability.
- One Twist, Three Modes: Features Tactical, Duty, and Lock modes for diverse scenarios.
- Tactical Mode: Instant turbo and strobe for rapid responses, ideal for police or military use.
- Duty Mode: Adjustable brightness levels (High, Medium, Low) for patrols, search missions, or outdoor activities.
- Lockout Mode: Prevents accidental activation, conserving battery during transport.

Image: Close-up of the WUBEN T4's tail cap, illustrating the "One Twist, Three Modes" selection mechanism (Lock, Duty, Tactical).
- Innovative Tactical Tail Switch: Enables quick action with a two-stage switch for instant turbo or strobe.

Image: A hand demonstrating the use of the WUBEN T4's tactical tail switch for instant activation of strobe or turbo modes.
- Compact for Everyday Carry: Measures just 3.82 inches and weighs 104.7 grams, designed for ultimate portability. Includes a premium clip for easy attachment.

Image: Various views of the WUBEN T4, illustrating its compact size and suitability for everyday carry in a hand, pocket, or bag.
- USB-C Rechargeable: Fast charging in 1.7 hours, providing up to 70 hours of runtime (low mode).

Image: The WUBEN T4 flashlight connected to a USB-C cable, indicating its fast charging capability and battery status.
- Built Tough: IP68 waterproof, 1.5m impact resistance, and aerospace-grade 6061 aluminum construction for resilience in tactical environments.

Image: The WUBEN T4 flashlight on a wet, textured surface, emphasizing its IP68 waterproof rating, 1.5m impact resistance, and aerospace-grade aluminum construction.
4. Setup
4.1 Initial Charging
Before first use, it is recommended to fully charge your WUBEN T4 flashlight. The flashlight comes with a built-in rechargeable battery.
- Locate the USB-C charging port. This is typically found by twisting or unscrewing a collar near the tail cap, as indicated by the "OPEN" and "CLOSE" markings on the flashlight body.
- Connect the provided USB-C cable to the flashlight's charging port.
- Connect the other end of the USB-C cable to a compatible USB power source (e.g., wall adapter, power bank, computer USB port).
- The indicator light on the flashlight will show the charging status (e.g., red for charging, blue for fully charged).
- Once fully charged, disconnect the cable and ensure the charging port cover/collar is securely closed to maintain water resistance.
5. Operating Instructions
5.1 Mode Selection
The WUBEN T4 features a unique tail ring design for quick and intuitive mode switching. To change modes, pull up the tail ring and twist it to align with your desired mode: LOCK, DUTY, or TAC (Tactical).
- LOCK Mode: Prevents accidental activation. The flashlight will not turn on when the tail switch is pressed.
- DUTY Mode: For general illumination and adjustable brightness.
- TAC Mode: For tactical applications requiring instant high output or strobe.
5.2 Tail Switch Operation
The flashlight utilizes a two-stage tactical tail switch for various functions:
- Half-Press and Hold:
- In DUTY Mode: Activates momentary High brightness.
- In TAC Mode: Activates momentary Turbo brightness.
- Full Press (Click):
- In DUTY Mode: Turns the light ON/OFF. When ON, half-press to cycle through brightness levels (Low-Medium-High).
- In TAC Mode: Activates instant Strobe. When Strobe is active, half-press to cycle through different strobe speeds.
Note: To access the strobe directly, ensure the flashlight is set to Tactical Mode.
6. Maintenance
- Cleaning: Regularly clean the flashlight body with a soft, damp cloth. For the lens, use a lens cleaning cloth to avoid scratches.
- O-rings: Inspect the O-rings (waterproof rings) periodically for wear and tear. Replace them if damaged to maintain the IP68 waterproof rating. Apply a thin layer of silicone grease to the O-rings to ensure a good seal and smooth operation.
- Charging Port: Keep the USB-C charging port clean and free of debris. Ensure the protective collar is securely closed when not charging.
- Storage: Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, charge the battery every 3-6 months to prolong its lifespan.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. |
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| Light output is dim or flickers. |
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| Flashlight does not charge. |
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8. Specifications
The following table outlines the key specifications for the WUBEN T4 Tactical Flashlight:

Image: Detailed technical parameters of the WUBEN T4 flashlight, including FL1 standard ratings for momentary-on, strobe, high, medium, and low modes, along with physical dimensions and durability ratings.
| Attribute | Detail |
|---|---|
| Brand | WUBEN |
| Model | T4 |
| Light Source Type | LED (OSRAM KW CSLPM1.TG 6500Kx1) |
| Brightness (Max) | 850 Lumens |
| Beam Distance (Max) | 401 Meters |
| Peak Beam Intensity | 40200 Candelas |
| Impact Resistance | 1.5 Meters |
| Water Resistance | IP68 (2 meters underwater for 1 hour) |
| Material | Aerospace-grade 6061 Aluminum |
| Power Source | Rechargeable Battery (1100mAh 18350 included) |
| Charging Port | USB-C |
| Charging Time | Approx. 1.7 hours |
| Runtime (Low Mode) | Up to 70 hours |
| Product Dimensions | 3.82" (Length) x 1.18" (Head Diameter) x 1" (Body Diameter) |
| Item Weight | 104.7 Grams (with battery) |
9. Warranty and Support
WUBEN products are manufactured to high-quality standards. For detailed warranty information, including coverage periods and terms, please refer to the official WUBEN website or contact their customer support directly.
If you encounter any issues not covered in the troubleshooting section, or require further assistance, please reach out to WUBEN customer support through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.
For more information, visit: www.wubenlight.com





