1. Pengenalan
The Sofirn HS21 is a high-performance, rechargeable headlamp designed for a wide range of outdoor and work activities. It features multiple lighting modes, including a powerful spot beam, a wide floodlight, and a red light option, delivering up to 2200 lumens of brightness. Built with durability and user convenience in mind, the HS21 is waterproof and impact-resistant, making it a reliable companion for hiking, camping, fishing, hunting, and emergency situations.

Image: Sofirn HS21 Headlamp habisview highlighting key features like 2200 lumens, USB-C charging, and 230-meter beam distance.
2. Kandungan Pakej
Sila semak pakej untuk item berikut:
- 1 x Sofirn HS21 Headlamp (termasuk bateri)
- 1 x Destar
- 1 x Kabel Pengecasan USB-C
- 1 x Manual Pengguna

Image: Illustration of the Sofirn HS21 package contents, including the headlamp, headband, USB-C charging cable, and user manual.
3. Produk Lebihview
Tajuk HS21amp is engineered for versatility and robust performance. It integrates multiple light sources and intuitive controls for various lighting needs.
Komponen
- Destar boleh laras: For comfortable and secure fit.
- Push-Touch Switch: Controls power and brightness levels.
- Suis Putar: Selects between different lighting modes (Red, Spot, Flood, Spot & Flood).
- Port Pengecasan USB-C: Untuk pengecasan semula yang mudah dan pantas.
- Badan Logam Penuh: Ensures durability and heat dissipation.
- TIR Lens: For efficient light distribution.
- LED: Features 3 red LEDs, 6 x 5000K LEDs (for floodlight), and 1 x 6000-6500K LED (for spotlight).

Imej: Meletup view of the Sofirn HS21 headlamp, detailing its various components and their functions.
Ciri-ciri Utama
- Multi-functional Output: Spot, flood, and red light modes, with a combined output of up to 2200 lumens.
- Lampu Merah: Three red LEDs help preserve night vision and reduce insect attraction.
- USB-C boleh dicas semula: Built-in USB-C port for quick and convenient charging.
- Pembinaan Tahan Lama: Made from aerospace-grade aluminum alloy, IP66 waterproof, and 1-meter impact resistant.
- Suis Putar: Easy and intuitive switching between light modes.
- Penderia Gerakan: Equipped with a motion sensor for hands-free operation (specific operation details not provided, refer to product packaging for advanced features).

Image: The Sofirn HS21 headlamp tunjuk casing its robust design, IP66 waterproof rating, and versatility for activities like hunting and hiking.
4. Persediaan
4.1 Pengecasan Awal
Sebelum penggunaan pertama, cas penuh headlamp. Connect the supplied USB-C cable to the headlamp's charging port and to a USB power source. The indicator light will show charging status (see Section 6 for details).
4.2 Memasang Ikat Kepala
Thread the adjustable headband through the designated slots on the headlamp holder. Adjust the strap to ensure a comfortable and secure fit on your head or helmet.

Image: The Sofirn HS21 headlamp demonstrating its 130-degree adjustable angle for optimal light direction and ergonomic design for comfortable wear.
5. Operasi
5.1 Hidupkan/Mati Kuasa
Tekan dan tahan butang push-touch switch for approximately 0.5 seconds to turn the headlamp HIDUP atau MATI.
5.2 Mode Switching (Rotary Switch)
Putar suis putar di sebelah kepalaamp to cycle through the main lighting modes:
- Lampu Merah: Ideal for preserving night vision and minimizing disturbance.
- Tumpuan: Concentrated beam for long-distance illumination.
- Lampu Sorot: Wide, even beam for close-range and peripheral vision.
- Spot & Flood Combined: Maximum brightness and coverage.

Image: The Sofirn HS21 headlamp illustrating the rotary switch mechanism for changing between different light modes.

Image: Visual representation of the rotary switch and the distinct illumination patterns for red light, spotlight, floodlight, and combined modes.
5.3 Brightness Adjustment (Push-Touch Switch)
Manakala kepalaamp is ON, short press the push-touch switch to cycle through brightness levels (Low, Mid, High, Turbo) within the currently selected mode. The headlamp will remember the last used brightness level for each mode.

Image: The push-touch switch on the Sofirn HS21 headlamp, illustrating how to adjust brightness levels.
5.4 Red Light Function
The dedicated red light mode (activated via the rotary switch) is designed to protect your night vision and is less disruptive to wildlife. It is particularly useful for night fishing, stargazing, or any activity where maintaining dark adaptation is crucial.

Image: The Sofirn HS21 headlamp emitting 620nm red light, demonstrating its effectiveness in preserving night vision and being suitable for outdoor activities.
5.5 Motion Sensor (If applicable)
The Sofirn HS21 is equipped with a motion sensor for hands-free operation. Please refer to the specific instructions on the product packaging or manufacturer's website for details on how to activate and use this feature, as its operation may vary.
6. Mengecas
Tajuk HS21amp features a built-in USB-C charging port for convenient recharging. Use the provided USB-C cable to connect the headlamp to any standard USB power adapter (e.g., phone charger, power bank, computer USB port).
6.1 Penunjuk Pengecasan
The power indicator light provides feedback on the battery status and charging process:
- Lampu Hijau (Pepejal): 60% - 100% battery remaining.
- Red Light (Solid): 20% - 60% battery remaining.
- Red Light (Flashing): Baki bateri kurang daripada 20%.
- During charging, the indicator will show the current battery level. It will turn solid green when fully charged.

Image: The Sofirn HS21 headlamp connected via its USB-C port for charging, indicating the charging process.

Image: The smart power indicator on the Sofirn HS21, displaying battery status with different light colors and patterns.
7. Penyelenggaraan
- Pembersihan: Lap kepalaamp with a clean, soft cloth. For stubborn dirt, use a slightly damp kain. Jangan gunakan bahan kimia yang keras atau bahan yang melelas.
- Storan: Simpan kepalaamp in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, charge the battery every 3-6 months to maintain battery health.
- Tahan Air: While the HS21 is IP66 waterproof, avoid prolonged submersion in water. Ensure the USB-C port cover is securely closed to prevent water ingress.
8. Penyelesaian masalah
- Ketuaamp tidak dihidupkan:
- Pastikan bateri dicas.
- Check if the battery is correctly inserted (if removable).
- Tekan dan tahan butang kuasa selama 0.5 saat.
- Cahaya malap atau berkelip-kelip:
- Bateri mungkin lemah. Cas semula kepalaamp.
- Pastikan kanta bersih.
- Pengecasan tidak berfungsi:
- Periksa kabel USB-C dan penyesuai kuasa untuk kerosakan.
- Ensure the cable is fully inserted into both the headlamp dan sumber kuasa.
- Cuba kabel USB-C atau penyesuai kuasa yang lain.
9. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nama Jenama | Sofirn |
| Nombor Model | HS21 (SFHS210728) |
| warna | Hitam |
| Output Maks | 2200 Lumen |
| Dimensi Produk | 36D x 36W x 65H mm (6.5L x 3.6W x 3.6H cm) |
| Jenis Bateri | Polimer Litium |
| Bilangan Bateri | 1 (termasuk) |
| Komponen yang Disertakan | Kabel USB |
| Penilaian Kalis Air | IP66 |
| Rintangan Kesan | 1 Meter |
| Negara Asal | China |
| ASIN | B0FKG5FTVR |
10. Maklumat Keselamatan
- Do not shine the light directly into eyes, as it can cause temporary vision impairment.
- Jauhkan daripada kanak-kanak.
- Jangan buka kepalaamp; this may void the warranty and cause damage.
- Use only the recommended charging cable and power sources.
- Elakkan daripada mendedahkan kepalaamp to extreme heat or open flames.
11. Waranti dan Sokongan
For warranty information and customer support, please refer to the documentation included with your product or visit the official Sofirn webtapak. Simpan resit pembelian anda sebagai bukti pembelian.