1. Rhagymadrodd
This manual provides detailed instructions for the safe and effective use of your Alonefire SV118 80W 365nm UV LED Flashlight. Please read this manual thoroughly before operation and retain it for future reference.

Image: The Alonefire SV118 UV LED Flashlight, showcasing its design and accompanying accessories like the USB-C cable and UV protection glasses.
2. Cynnwys Pecyn
Wrth agor y pecyn, gwiriwch fod yr holl eitemau canlynol wedi'u cynnwys:
- Alonefire SV118 UV LED Flashlight
- 4 x BRC18650 2000mAh 3.7V Rechargeable Lithium-ion Batteries
- 1 x Cebl Codi Tâl USB-C
- 1 x Pair of UV Protection Glasses (Class 400)
- 1 x Cortyn

Image: All components included in the Alonefire SV118 package: the flashlight, USB-C cable, and UV protection glasses.
3. Gwybodaeth Diogelwch
Er mwyn sicrhau gweithrediad diogel ac atal anaf neu ddifrod, dilynwch y rhagofalon canlynol:
- UV Radiation Hazard: Direct exposure to UV light can be harmful to eyes and skin. Always wear the provided UV protection glasses when operating the flashlight. Avoid pointing the light directly at people or animals.
- Diogelwch Batri: Use only the specified rechargeable batteries. Do not mix old and new batteries, or different types of batteries. Do not expose batteries to fire or extreme temperatures.
- Rhybudd Gwres: The flashlight may become warm during prolonged use, especially at maximum power. Avoid touching the head of the flashlight when hot.
- Gwrthiant Dŵr: Nid yw'r ddyfais hon yn dal dŵr. Osgowch ddod i gysylltiad â dŵr neu leithder uchel.
- Plant: Cadwch allan o gyrraedd plant.
4. Gosod
4.1 Gosod Batri
- Dadsgriwiwch gap cynffon y fflachlamp.
- Insert the four BRC18650 rechargeable batteries according to the polarity markings (+/-) inside the battery compartment. Ensure correct orientation.
- Sgriwiwch y cap cynffon yn ôl ymlaen yn ddiogel.
4.2 Tâl Cychwynnol
It is recommended to fully charge the batteries before first use. Refer to the "Charging" section for instructions.
5. Cyfarwyddiadau Gweithredu
The Alonefire SV118 features multiple brightness modes and a strobe function.
- Addasiad Pŵer Ymlaen / i ffwrdd a Disgleirdeb:
- Press the "ON/OFF" button once to turn on the flashlight at maximum power.
- Press the button again to cycle through brightness modes: Medium, Low.
- Press the button a final time to turn off the flashlight.
- Swyddogaeth Strôb:
- From any mode (on or off), press and hold the "ON/OFF" button for 3 seconds to activate the slow strobe mode.
- Press and hold the button again for 3 seconds to activate the fast strobe mode.
- A short press will return to the previous mode or turn off the flashlight.
- Arddangosfa Pŵer Digidol: The integrated LCD screen displays the current power level, allowing you to monitor battery status accurately.

Image: A hand holding the Alonefire SV118 UV LED Flashlight, demonstrating its ergonomic design and size.
6. Codi tâl
The Alonefire SV118 features a convenient USB-C charging port.
- Locate the USB-C charging port on the flashlight handle.
- 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, power bank).
- The digital display will indicate the charging status. A red indicator light signifies charging, and the light turns off when fully charged.
- Mae gwefru fel arfer yn cymryd 5-6 awr i gael gwefr lawn.
- It is not necessary to remove the batteries for charging.

Image: The Alonefire SV118 flashlight connected via its USB-C port for charging, with indicators showing charging status and estimated charging time.
7. Ceisiadau
The 365nm UV LED flashlight is suitable for a wide range of professional and domestic applications due to its pure UV output and filtering capabilities.
- Cywasgu Resin: Accelerates the curing process of UV-sensitive resins.
- Canfod staen anifeiliaid anwes: Reveals hidden pet urine and other organic stains on carpets, furniture, and other surfaces.
- Adnabod Mwynau a Gemwaith: Helps identify fluorescent minerals, amber, and other gemstones.
- Dilysrwydd Dilysrwydd: Useful for checking currency, passports, and other documents with UV security features.
- Canfod Scorpion: Scorpions fluoresce under 365nm UV light, making them easier to spot.
- Canfod Gollyngiadau: Can be used with UV dyes to detect leaks in HVAC, automotive, and plumbing systems.
- Fluorescent Agent Test: Detects fluorescent agents in cosmetics, textiles, and other products.
- Pet Fungal Inspection: Aids in identifying certain fungal infections on pets.

Image: A collage illustrating various applications of the UV flashlight, including pet fungus inspection, skin abnormality detection, fluorescent agent testing, jade identification, authenticity verification, and crop identification.

Image: A comparison showing a carpet before and after being illuminated by the UV flashlight, highlighting hidden pet stains.
8. cynnal
- Glanhau: Sychwch gorff y fflachlamp gyda lliain meddal, damp brethyn. Peidiwch â defnyddio glanhawyr neu doddyddion sgraffiniol.
- Gofal Lens: Gently clean the UV filter lens with a lens cleaning cloth to maintain optimal light output.
- Storio Batri: If storing the flashlight for an extended period, remove the batteries to prevent leakage. Store batteries in a cool, dry place.
- Iro: Rhowch saim silicon ar y cylchoedd-O a'r edafedd o bryd i'w gilydd i gynnal ymwrthedd dŵr a gweithrediad llyfn.
9. Datrys Problemau
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Nid yw Flashlight yn troi ymlaen. |
|
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| Light output is weak. |
|
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| Mae'r fflachlamp yn mynd yn rhy boeth. |
|
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10. manylebau
| Nodwedd | Manylyn |
|---|---|
| Brand | ALONEFIRE |
| Rhif Model | SV118 |
| Math o Ffynhonnell Golau | UV LED (8pcs 4-core 365nm LEDs) |
| Defnydd Pŵer | Hyd at 80W |
| Fflwcs goleuol | 9500 miliwat |
| Math Batri | 4 x BRC18650 Lithium-ion (included) |
| Porthladd Codi Tâl | USB-C |
| Amser Codi Tâl | Tua. 5-6 awr |
| Battery Life (Max Power) | Approx. 20 minutes (as per user review, actual may vary) |
| CasinDeunydd g | High-quality Aluminum Alloy |
| Nodweddion Arbennig | UV Filter Black Lens, Digital LCD Power Display |
| Pwysau Eitem | 630 gram |
| Lefel Gwrthsefyll Dŵr | Ddim yn dal dŵr |
| Gwlad Tarddiad | Tsieina |

Image: A visual comparison demonstrating the difference between 365nm and 395nm UV light, highlighting the superior clarity and penetration of 365nm for fluorescence detection.
11. Gwarant a Chefnogaeth
For warranty information or technical support, please contact Alonefire customer service through the retailer where the product was purchased. Please have your model number (SV118) and purchase date available when contacting support.
Note: Information regarding spare parts availability and software updates is not provided by the manufacturer.

