1. Introduction
Thank you for choosing the ALONEFIRE SV127 Mini 395nm UV Flashlight. This compact and powerful UV light is designed for a wide range of detection tasks, including identifying pet stains, authenticating currency, detecting minerals, and more. This manual provides essential information for the safe and effective use of your device.
Image 1.1: The ALONEFIRE SV127 Mini 395nm UV Flashlight in operation, emitting its characteristic purple UV light.
2. Product Features
- Quality 395nm UV LED: Utilizes a high-quality 395nm UV LED light source, offering up to 3W power consumption and 600mW luminous power for professional use.
- Durable Aluminum Alloy Shell: Constructed from high-quality aluminum alloy, enhancing heat dissipation and extending the lamp bead's lifespan for reliable and durable performance.
- USB-C Rechargeable: Features a convenient USB-C charging port for easy, reversible plug insertion. Includes a charging indicator (Red for charging, Green for fully charged) and a built-in high-capacity rechargeable battery.
- Wide Range of Uses: Effective for detecting fluorescent substances invisible to the naked eye, such as pet urine, cat fungus, currency authentication, scorpion detection, mineral identification, bed bug detection, and ID verification.
- IPX5 Waterproof Level: Designed to withstand splashes and rain, allowing use in wet conditions. Note: Do not submerge the flashlight in water.
Image 2.1: The compact size of the ALONEFIRE SV127 UV Flashlight, designed for portability and ease of use.
3. Package Contents
Please check the package for the following items:
- 1 x ALONEFIRE SV127 Mini 395nm UV Flashlight (with built-in Lithium Ion battery)
- 1 x USB-C Charging Cable
Image 3.1: Contents of the ALONEFIRE SV127 package, including the flashlight and USB-C charging cable.
4. Setup and Initial Use
- Initial Charge: Before first use, fully charge the flashlight. Refer to the "Charging Instructions" section for details.
- Power On/Off: Press the power button located at the tail cap to turn the UV flashlight on or off.
5. Operating Instructions
The ALONEFIRE SV127 UV Flashlight is versatile for various detection purposes:
- Pet Stain Detection: In a darkened room, shine the UV light over carpets, furniture, and floors. Dried pet urine and other biological stains will fluoresce, appearing as bright yellow or green spots.
- Currency and Document Authentication: Shine the UV light on banknotes, passports, and other official documents. Security features such as fluorescent strips, fibers, and watermarks will become visible.
- Mineral and Rock Identification: Certain minerals and rocks exhibit fluorescence under UV light. Use the flashlight to observe their unique glow.
- Scorpion Detection: Scorpions are known to fluoresce under UV light, making them easier to spot in dark environments.
- Leak Detection: When used with UV-sensitive dyes, the flashlight can help detect leaks in HVAC systems, automotive fluids, and plumbing.
Image 5.1: Diverse applications of the ALONEFIRE SV127 UV Flashlight for various detection needs.
Image 5.2: Using the UV flashlight for pet stain detection on a carpet.
Image 5.3: The UV flashlight highlighting security features on different currencies.
Image 5.4: Fluorescent minerals glowing under the UV light of the ALONEFIRE SV127.
Image 5.5: Detecting hidden stains in a bathroom using the UV flashlight.
6. Charging Instructions
The ALONEFIRE SV127 features a built-in rechargeable battery and a convenient USB-C charging port.
- Locate the USB-C charging port on the flashlight.
- Connect the provided USB-C cable to the flashlight and plug the other end into a compatible USB power source (e.g., wall adapter, computer USB port).
- The charging indicator light will illuminate: Red indicates charging, and Green indicates a full charge.
- A full charge typically takes approximately 1 hour.
- Once fully charged, disconnect the charging cable.
Image 6.1: The USB-C charging port and indicator light on the ALONEFIRE SV127 UV Flashlight.
7. Maintenance
- Cleaning: Wipe the flashlight body with a soft, damp cloth. Do not use abrasive cleaners or solvents. Keep the UV LED lens clean for optimal performance.
- 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 maintain battery health.
- Battery Care: Avoid fully discharging the battery frequently. Recharge promptly when the light dims.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery is depleted. | Charge the flashlight fully using the USB-C cable. |
| Flashlight does not charge. | Charging cable or power source is faulty. | Try a different USB-C cable or power adapter. Ensure connections are secure. |
| UV light is weak or inconsistent. | Low battery or dirty lens. | Recharge the battery. Clean the UV LED lens with a soft cloth. |
9. Specifications
| Feature | Detail |
|---|---|
| Model | SV127 395nm |
| UV Wavelength | 395nm |
| Power Consumption | Up to 3W |
| Luminous Power | 600mW |
| Material | Anodized Aluminum |
| Battery Type | Built-in Lithium Ion (1 included) |
| Charging Port | USB-C |
| Charging Time | Approx. 1 hour |
| Waterproof Rating | IPX5 (Splash-proof) |
| Item Weight | 0.04 Kilograms (1.44 ounces) |
| Dimensions | 3.82 x 1.46 x 0.94 inches (Package Dimensions) |
10. Safety Information
- UV Light Exposure: Do not look directly into the UV light source. Prolonged exposure to UV light can be harmful to eyes and skin.
- Children: Keep the flashlight out of reach of children.
- Water Resistance: The flashlight is IPX5 rated, meaning it is resistant to water splashes. Do not submerge the flashlight in water.
- Battery Safety: Do not attempt to replace the built-in battery. Do not expose the flashlight to extreme heat or fire.
- Disposal: Dispose of the product and its battery responsibly according to local regulations.
11. Official Product Video
Watch the official product video for a visual guide on the ALONEFIRE SV127 UV Flashlight:
Video 11.1: Official product video showcasing the ALONEFIRE SV127 UV Flashlight and its features.
12. Warranty and Support
ALONEFIRE products are manufactured to high-quality standards. For any questions, technical support, or warranty claims, please contact the retailer or ALONEFIRE customer service. Please retain your proof of purchase for warranty purposes.

