1. 서론
구매해주셔서 감사합니다asing the Sofirn HS21 and D25S headlamps. These headlamps are designed for various outdoor activities, offering reliable illumination and convenient features. This manual provides detailed instructions for the safe and effective use, setup, operation, and maintenance of your new headlamps. Please read this manual thoroughly before use and retain it for future reference.
2. 안전 지침
- 눈에 직접 빛을 비추지 마십시오. 강력한 빛은 일시적인 시력 저하 또는 영구적인 눈 손상을 유발할 수 있습니다.
- 어린이의 손이 닿지 않는 곳에 보관하세요.
- 헤드를 분해하지 마십시오.amp. This may damage the device and void the warranty.
- Use only the recommended battery types. Improper battery use can lead to fire, explosion, or leakage.
- 헤드 노출을 피하세요amp 장기간 동안 극한 온도나 직사광선에 노출되지 마십시오.
- 충전하지 않을 때는 방수 기능을 유지하기 위해 USB-C 충전 포트 덮개를 단단히 닫아 두십시오.
3. 패키지 내용
- 1 x Sofirn HS21 Headlamp
- 1 x Sofirn D25S Headlamp
- 2 x 머리띠
- 2 x USB-C 충전 케이블
- 2 x Rechargeable Batteries (pre-installed or separate)
- 1 x 사용자 설명서
4. 제품 오버view
4.1 Sofirn HS21 Headlamp
The Sofirn HS21 is a versatile headlamp featuring a combination of spotlight, floodlight, and red light. It is equipped with a convenient rotary switch for easy mode selection and offers a wide 130° rotation adjustment for optimal illumination angle.

Image 1: Sofirn HS21 Headlamp showing its various light modes including red light, spotlight, and floodlight.

Image 2: The Sofirn HS21 headlamp demonstrating its 130-degree rotation capability for adjustable light direction.
4.2 Sofirn D25S Headlamp
The Sofirn D25S is a compact and powerful headlamp utilizing an SST40 LED, offering multiple brightness levels. It features a hidden USB-C charging port for convenient recharging and a simple user interface with memory mode.

Image 3: Sofirn D25S Headlamp highlighting its comfortable switch and simple user interface.
5. 설정
5.1 배터리 설치
Both HS21 and D25S headlamps typically come with batteries pre-installed. If not, or if replacing batteries:
- 헤드의 테일 캡을 풀어주세요amp 몸.
- Insert the rechargeable battery with the positive (+) terminal facing towards the head of the lamp.
- 적절한 접촉과 방수 기능을 보장하기 위해 꼬리 캡을 다시 단단히 조여주세요.
5.2 충전 중
둘 다 헤드amps feature a built-in USB-C charging port.
For HS21:
- 헤드라이트 측면에 있는 USB-C 충전 포트를 찾으세요.amp 몸.
- Gently lift the protective rubber cover to expose the port.
- 제공된 USB-C 케이블을 헤드램프에 연결하세요.amp and to a USB power source (e.g., wall adapter, power bank, computer).
- 충전 중에는 표시등이 빨간색으로 켜지고, 충전이 완료되면 녹색으로 바뀝니다.
- Once charging is complete, securely close the rubber cover to protect the port from dust and water.

Image 4: Sofirn HS21 Headlamp connected to a USB-C charging cable, showing the charging indicator light.
For D25S:
- Unscrew the head of the D25S headlamp to reveal the hidden USB-C charging port.
- 제공된 USB-C 케이블을 헤드램프에 연결하세요.amp and to a USB power source.
- 충전 중에는 표시등이 빨간색으로 켜지고, 충전이 완료되면 녹색으로 바뀝니다.
- After charging, screw the head back on tightly to ensure water resistance.

Image 5: Sofirn D25S Headlamp with its head unscrewed, revealing the built-in USB-C charging port.
6. 사용 설명서
6.1 Sofirn HS21 Headlamp 작업
The HS21 features a rotary switch for easy mode selection and a separate power button.

Image 6: Illustration of the Sofirn HS21's rotary switch mechanism for changing light modes.
- 전원 켜기/끄기: 전원 버튼을 한 번 눌러 헤드를 돌립니다.amp 켜기 또는 끄기.
- 모드 선택: Rotate the head part of the headlamp to cycle through the main light modes: Red Light, Spotlight, Floodlight, and Spotlight + Floodlight (combined).
- 밝기 조정: While a mode is active, press and hold the power button to cycle through brightness levels (Low, Medium, High). Release the button at your desired brightness.
- 적색등 작동: Rotate to the red light setting. Press and hold the power button for additional red light modes (e.g., red strobe, red beacon).

Image 7: The Sofirn HS21 headlamp displaying its four primary light modes: Red Light, Spot & Flood, Floodlight, and Spotlight.

Image 8: The Sofirn HS21 headlamp emitting a 620 NM red light, suitable for preserving night vision.
6.2 Sofirn D25S Headlamp 작업
The D25S operates with a single button interface.
- 전원 켜기/끄기: Press the button once to turn the headlamp 켜기 또는 끄기.
- 모드 전환: 동안 headlamp is on, press and hold the button to cycle through brightness modes: Low → Medium 1 → Medium 2 → High. Release the button at your desired mode.
- 터보 모드: From any mode, double-click the button to activate Turbo mode. Double-click again to return to the previous mode.
- 메모리 기능: The D25S will remember the last used brightness level (excluding Turbo) and turn on in that mode.
7. 유지관리
- 청소: 헤드를 닦아주세요amp 부드러운 damp 천. 연마성 세척제나 용매를 사용하지 마십시오.
- O-링: Periodically check and lubricate the O-rings with silicone grease to maintain water resistance. Replace damaged O-rings.
- 배터리 관리 : 만약 헤드가amp will not be used for an extended period, remove the battery to prevent leakage. Recharge batteries regularly to prolong their lifespan.
- 저장: 헤드를 저장하세요amp 직사광선을 피해 서늘하고 건조한 곳에 보관하십시오.
8. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 헤드amp 켜지지 않는다 | Low battery; Battery incorrectly installed; Loose tail cap; Faulty battery. | Charge battery; Reinstall battery with correct polarity; Tighten tail cap; Replace battery. |
| 조명 출력이 어두움 | 배터리 부족; 렌즈가 더럽습니다. | Charge battery; Clean the lens. |
| 충전이 안됨 | Cable not connected properly; Faulty cable or power source; Charging port obstructed. | Ensure secure connection; Try a different cable/power source; Clean charging port. |
| 물 유입 | O-rings damaged or missing; Tail cap/charging port cover not sealed properly. | Check and replace O-rings; Ensure all caps are tightly sealed. |
9. 사양
9.1 Sofirn HS21 Headlamp
| 특징 | 세부 사항 |
|---|---|
| 광원 | LED (스포트라이트, 투광등, 적색광) |
| 최대 출력 | 2200 Lumens (Spotlight + Floodlight) |
| 적색광 파장 | 620NM |
| 스위치 유형 | Rotary Switch + Push Button |
| 충전 중 | USB-C 충전식 |
| 회전 | 130° 조절 가능 |
| 치수 | 3.4 x 1.8 x 1.4 인치 |
| 무게 | 0.3파운드(배터리 포함) |

Image 9: The Sofirn HS21 headlamp demonstrating its ultra-bright output and beam distance of up to 754 feet.
9.2 Sofirn D25S Headlamp
| 특징 | 세부 사항 |
|---|---|
| 광원 | SST40 LED |
| 최대 출력 | 1200루멘 |
| 모드 | Low, Medium 1, Medium 2, High, Turbo |
| 충전 중 | Hidden USB-C Rechargeable |
| 특별 기능 | 메모리 모드 |
10. 보증 및 지원
Sofirn products are covered by a limited warranty. For specific warranty details, please refer to the warranty card included with your product or visit the official Sofirn website. For technical support, troubleshooting assistance, or warranty claims, please contact Sofirn customer service through the retailer where you purchased the product or via the contact information provided on the official Sofirn web대지.





