1. Introduktion
Tak for købetasing 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. Sikkerhedsinstruktioner
- Lyset må ikke skinne direkte ind i øjnene. Den kraftige lysstråle kan forårsage midlertidig synsnedsættelse eller permanent øjenskade.
- Opbevares utilgængeligt for børn.
- Skil ikke hovedet adamp. 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.
- Undgå at blotlægge hovedetamp til ekstreme temperaturer eller direkte sollys i længere perioder.
- Sørg for, at dækslet til USB-C-opladeporten er forsvarligt lukket, når den ikke oplades, for at opretholde vandtætheden.
3. Pakkens indhold
- 1 x Sofirn HS21 Headlamp
- 1 x Sofirn D25S Headlamp
- 2 x pandebånd
- 2 x USB-C ladekabler
- 2 x Rechargeable Batteries (pre-installed or separate)
- 1 x brugermanual
4. Produktet er slutview
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. Opsætning
5.1 Batteriinstallation
Both HS21 and D25S headlamps typically come with batteries pre-installed. If not, or if replacing batteries:
- Skru bagkappen af forlygtenamp legeme.
- Insert the rechargeable battery with the positive (+) terminal facing towards the head of the lamp.
- Skru endehætten godt på igen for at sikre korrekt kontakt og vandtæthed.
5.2 Opladning
Både headlamps feature a built-in USB-C charging port.
For HS21:
- Find USB-C-opladningsporten på siden af hovedtelefonerneamp legeme.
- Gently lift the protective rubber cover to expose the port.
- Tilslut det medfølgende USB-C-kabel til hovedtelefonerneamp og til en USB-strømkilde (f.eks. vægadapter, powerbank, computer).
- Indikatorlampen lyser rødt under opladning og bliver grøn, når den er fuldt opladet.
- 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.
- Tilslut det medfølgende USB-C-kabel til hovedtelefonerneamp and to a USB power source.
- Indikatorlampen lyser rødt under opladning og bliver grøn, når den er fuldt opladet.
- 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. Betjeningsvejledning
6.1 Sofirn HS21 Headlamp Operation
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.
- Tænd/sluk: Press the power button once to turn the headlamp til eller fra.
- Valg af tilstand: Rotate the head part of the headlamp to cycle through the main light modes: Red Light, Spotlight, Floodlight, and Spotlight + Floodlight (combined).
- Justering af lysstyrke: 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.
- Red Light Activation: 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 Operation
The D25S operates with a single button interface.
- Tænd/sluk: Press the button once to turn the headlamp til eller fra.
- Tilstandscykling: Mens hovedlamp 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.
- Turbo tilstand: From any mode, double-click the button to activate Turbo mode. Double-click again to return to the previous mode.
- Hukommelsesfunktion: The D25S will remember the last used brightness level (excluding Turbo) and turn on in that mode.
7. Vedligeholdelse
- Rensning: Tør hovedet afamp med en blød, damp klæde. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- O-ringe: Periodically check and lubricate the O-rings with silicone grease to maintain water resistance. Replace damaged O-rings.
- Batteripleje: Hvis hovedlamp will not be used for an extended period, remove the battery to prevent leakage. Recharge batteries regularly to prolong their lifespan.
- Opbevaring: Opbevar hovedlamp på et køligt, tørt sted væk fra direkte sollys.
8. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Headlamp tændes ikke | Low battery; Battery incorrectly installed; Loose tail cap; Faulty battery. | Charge battery; Reinstall battery with correct polarity; Tighten tail cap; Replace battery. |
| Lysudgangen er svag | Lavt batteri; Linsen er snavset. | Charge battery; Clean the lens. |
| Opladning virker ikke | Cable not connected properly; Faulty cable or power source; Charging port obstructed. | Ensure secure connection; Try a different cable/power source; Clean charging port. |
| Vandindtrængning | 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. Specifikationer
9.1 Sofirn HS21 Headlamp
| Feature | Detalje |
|---|---|
| Lyskilde | LED (Spotlight, Floodlight, Red Light) |
| Max output | 2200 Lumens (Spotlight + Floodlight) |
| Rødt lys bølgelængde | 620 NM |
| Switch Type | Rotary Switch + Push Button |
| Opladning | USB-C genopladelig |
| Rotation | 130° Justerbar |
| Dimensioner | 3.4 x 1.8 x 1.4 tommer |
| Vægt | 0.3 lbs (inklusive batteri) |

Image 9: The Sofirn HS21 headlamp demonstrating its ultra-bright output and beam distance of up to 754 feet.
9.2 Sofirn D25S Headlamp
| Feature | Detalje |
|---|---|
| Lyskilde | SST40 LED |
| Max output | 1200 lumen |
| Tilstande | Low, Medium 1, Medium 2, High, Turbo |
| Opladning | Hidden USB-C Rechargeable |
| Særlige funktioner | Hukommelsestilstand |
10. Garanti og support
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 webwebsted.





