1. 서론
Thank you for choosing the DARKBEAM V4 UV 365nm Black Light Flashlight. This compact and powerful ultraviolet flashlight is designed for a variety of detection and curing applications. Its specialized 365nm wavelength and filtered lens provide pure UV light, making invisible substances visible. Please read this manual thoroughly before use to ensure proper operation and safety.

Figure 1: Two DARKBEAM V4 UV flashlights and their included USB charging cables.
2. 안전 정보
- 눈 보호: Never look directly into the UV light beam. Prolonged exposure to UV light can be harmful to the eyes. Consider wearing UV protective eyewear during extended use.
- 피부 노출: Avoid prolonged direct exposure of skin to UV light.
- 어린이들: 손전등을 어린이의 손이 닿지 않는 곳에 보관하십시오.
- 열: The flashlight body may warm up during continuous operation. This is normal due to heat dissipation.
- 처분: Do not dispose of the battery in fire. Follow local regulations for battery disposal.
3. 패키지 내용
패키지에 모든 품목이 들어 있는지 확인하세요.
- DARKBEAM V4 UV 365nm Flashlight (quantity as purchased)
- 일체형 리튬 이온 배터리
- USB Charging Cable (x2 for 2-pack)
- Lanyard (x2 for 2-pack)
4. 제품 특징
- Enhanced UV Light Source: Utilizes a 365nm UV light, which is a true invisible UV light. It appears less bright than 395nm to the naked eye but reveals fluorescent materials with a distinct blue-violet glow.
- Filtered 365nm UV Light: Equipped with a hardened black optical lens that filters out unwanted visible light, emitting a purer, more effective ultraviolet light for professional detection needs. This results in a clearer fluorescent effect with minimal visible purple light.
- 컴팩트하고 강력함: Small enough to fit on a keychain or in a pocket, offering a balance of size and performance for daily use. Includes a lanyard for easy carrying.
- 내구성 있는 구조: The housing is made from high-quality aluminum alloy, providing reliability and efficient heat dissipation.
- 통합 충전식 배터리: Powered by a built-in rechargeable battery, offering approximately 1 hour of continuous operation on a full charge.

Figure 2: The specialized black filter lens blocks ambient visible light, allowing only pure UV light to pass through for enhanced detection.

Figure 3: The aluminum alloy body is designed for efficient heat dissipation during operation.
5. 설정 및 충전
5.1 초기 충전
Before first use, fully charge the flashlight. The integrated battery requires approximately 1 hour for a full charge.
5.2 충전 지침
- 손전등의 USB 충전 포트를 찾으세요.
- 제공된 USB 충전 케이블을 손전등의 포트에 연결하세요.
- Connect the other end of the USB cable to a compatible USB power source (e.g., 5V/2A adapter, power bank, laptop, car charger).
- 표시등이 표시됩니다 빨간색 충전하는 동안.
- 표시등이 켜질 것입니다 녹색 배터리가 완전히 충전되었을 때.
- 완전히 충전되면 충전 케이블을 분리하세요.

Figure 4: The flashlight features a USB charging port and indicator lights for charging status (red for charging, green for full).
6. 사용 설명서
- To turn the flashlight ON, press the power button located at the end of the flashlight.
- To turn the flashlight OFF, press the power button again.
- The flashlight operates in a single mode (ON/OFF).

Figure 5: The compact design allows for easy portability, fitting into small bags or pockets.
7. 응용 프로그램
The DARKBEAM V4 UV 365nm flashlight is suitable for a wide range of applications:
- 애완동물 얼룩 감지: Easily locate dried pet urine, feces, and vomit on carpets, rugs, and upholstery.
- 진위성 검증: Identify counterfeit documents, currency, and official IDs by revealing hidden security features.
- 광물 및 보석 검사: Detect fluorescent minerals, amber, and uranium glass.
- 수지 경화: Accelerate the curing process of UV-sensitive resins, such as those used in 3D printing or jewelry making.
- 누출 감지: Identify leaks in HVAC systems, automotive fluids, and other machinery when used with UV-reactive dyes.
- Hygiene Inspection: Reveal hidden stains and unsanitary areas in hotel rooms, bathrooms, and kitchens.
- 전갈 사냥: Scorpions fluoresce brightly under 365nm UV light, making them easy to spot in the dark.
- 고양이 무좀 진단: Aid in the detection of certain types of fungal infections (ringworm) on pets, which may fluoresce under UV light.
- UV Reactive Art: Illuminate UV-reactive paints, body art, and fluorescent materials for artistic and decorative purposes.

Figure 6: The flashlight can be used to detect ringworm on a cat and pet urine stains on surfaces.

Figure 7: Effectively reveals hidden pet urine stains, making cleaning simpler.

Figure 8: The UV light makes invisible stains visible, aiding in thorough cleaning and inspection.

그림 9: 예amples of diverse applications including detecting toilet stains, identifying leaks, illuminating scorpions, and revealing fluorescent agents.

Figure 10: Further applications include ore detection, currency verification, illuminating body art, and detecting cat ringworm.
8. 유지관리
- 청소: 손전등 본체를 부드러운 천으로 닦으세요.amp 천. 연마성 세척제나 용매를 사용하지 마십시오.
- 렌즈 관리: Gently clean the lens with a lens cleaning cloth to maintain optimal light output.
- 저장: Store the flashlight in a cool, dry place when not in use. Avoid extreme temperatures.
- 배터리: Recharge the battery regularly, even if not in frequent use, to prolong its lifespan.
9. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 손전등이 켜지지 않습니다. | 배터리가 소진되었습니다. | 손전등을 완전히 충전하십시오(5.2절 참조). |
| 손전등이 충전되지 않습니다. | USB 케이블이나 전원에 결함이 있습니다. | 다른 USB 케이블이나 전원 어댑터를 사용해 보세요. 연결이 제대로 되었는지 확인하세요. |
| UV light appears dim or weak. | 배터리가 약하거나 렌즈가 더러워졌습니다. | Charge the flashlight. Clean the lens with a soft cloth. |
10. 사양
| 사양 | 세부 사항 |
|---|---|
| 품목 모델 번호 | V4 |
| 제품 크기(L x W x H) | 9 x 2.15 x 2.15cm(3.54 x 0.85 x 0.85인치) |
| 무게 | 56그램(1.98온스) |
| 재료 | 알류미늄 |
| 전원 | 배터리 구동 |
| 광원 유형 | UV 365nm LED |
| 배터리 유형 | 통합 리튬 이온 |
| 권tage | 5 볼트 |
| 제조업체 | 다크빔 |
| 원산지 | 중국 |
11. 보증 및 지원
For any questions, concerns, or assistance with your DARKBEAM V4 UV 365nm Flashlight, please contact the seller directly through the Amazon platform. The seller offers 7x24 hours online response. To contact the seller, navigate to your order details and click on "Ask a question" in the seller profile.




