pengenalan
The ALONEFIRE H42UV 36W 365nm UV Flashlight is a high-performance ultraviolet torch designed for professional and general use. Featuring a powerful 365nm UV LED light source and a specialized black UV filter lens, it provides pure and strong ultraviolet illumination. This flashlight is ideal for detecting fluorescent substances not visible to the naked eye, such as pet urine, currency authentication, scorpion detection, mineral detection, and resin curing. Its durable aluminum alloy shell ensures efficient heat dissipation and long-lasting reliability. The device is USB-C rechargeable and includes four high-capacity rechargeable batteries and UV protective glasses for safe operation.
Apa yang Termasuk
Upon unboxing, please ensure all the following components are present:
- 1 x ALONEFIRE H42UV 365nm UV Flashlight
- 4 x High-capacity Rechargeable Lithium Ion Batteries (18650)
- 1 x USB Charging Cord (Type-C)
- 1 x UV Protective Glasses

Image: The ALONEFIRE H42UV flashlight, UV protective glasses, and USB charging cable, as included in the package.
Persediaan
1. Pemasangan Bateri
The ALONEFIRE H42UV flashlight requires four 18650 Lithium Ion batteries. These are included in your package. To install:
- Tanggalkan penutup ekor lampu suluh.
- Insert the four 18650 batteries according to the polarity indicators (+/-) inside the battery compartment. Ensure correct orientation to prevent damage.
- Skrukan penutup ekor dengan kemas semula.
2. Pengecasan Awal
Before first use, it is recommended to fully charge the batteries. The flashlight features a convenient USB-C charging port.
- Locate the USB-C charging port on the flashlight body. It is typically covered by a protective rubber flap.
- Open the rubber flap and insert the provided USB-C charging cable.
- Sambungkan hujung kabel USB yang satu lagi ke sumber kuasa USB yang serasi (cth., penyesuai dinding, port USB komputer, bank kuasa).
- The charging indicator light (usually near the power button) will illuminate red while charging. It will turn green when fully charged.
- Masa pengecasan adalah lebih kurang 6-8 jam untuk cas penuh.

Image: USB-C charging interface and indicator light.
3. Protective Glasses
Due to the powerful UV output, it is highly recommended to wear the included UV protective glasses during operation to safeguard your eyes from potential harm. Always avoid shining the UV light directly into eyes.

Image: The ALONEFIRE H42UV flashlight with its accompanying UV protective glasses.
Arahan Operasi
1. Hidupkan/Mati Kuasa dan Pemilihan Mod
The flashlight is operated via a single button located on the side of the body.
- Untuk menghidupkan lampu suluh, tekan butang kuasa sekali.
- To cycle through brightness modes (typically High and Low), press the power button repeatedly while the flashlight is on.
- To turn off the flashlight, press and hold the power button for approximately 1-2 seconds.

Image: Demonstrating the flashlight's size and power button location.
2. Understanding the Black UV Filter Lens
The ALONEFIRE H42UV is equipped with a hard toughened black filter optical lens. This lens is crucial for filtering out unwanted visible light from the environment, ensuring that the emitted ultraviolet light is purer and more effective for detection tasks.

Image: Illustration of the black UV filter lens function.
3. Aplikasi Biasa
The powerful 365nm UV light is versatile for various detection and curing purposes:
- Pengesanan Air Kencing Binatang: Easily spot hidden pet stains on carpets, furniture, and floors.
- Resin Curing & Glue Curing: Accelerate the curing process of UV-sensitive resins and glues.
- Mineral Detection: Identify fluorescent minerals and rocks.
- Pengesanan Scorpion: Scorpions fluoresce under UV light, making them easy to spot in dark environments.
- Currency & ID Authentication: Verify security features on banknotes, passports, and other official documents.
- Bed Bug Detection: Aid in identifying bed bug infestations.
- Pengesanan Kebocoran: When used with fluorescent dyes, it can help detect leaks in automotive systems or HVAC.

Image: Various applications of the UV flashlight.
Video: A demonstration of the ALONEFIRE H42UV flashlight's features and its effectiveness in various applications, including leak detection, mineral fluorescence, and identifying impurities.
Penyelenggaraan
1. Pembersihan
Untuk mengekalkan prestasi dan penampilan yang optimum:
- Lap badan lampu suluh dengan lembut, damp kain. Elakkan pembersih yang kasar.
- For the lens, use a lens cleaning cloth and solution designed for optics to avoid scratching.
- Ensure the USB-C port cover is properly sealed after charging to prevent dust and moisture ingress.
2. Penjagaan Bateri
- Recharge batteries regularly, even if not frequently used, to prolong their lifespan.
- Avoid fully discharging the batteries before recharging.
- If storing the flashlight for an extended period, remove the batteries.
3. Penyimpanan
Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures. Keep out of reach of children.
Menyelesaikan masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Lampu suluh tidak menyala. | Low or depleted batteries. Incorrect battery installation. Loose tail cap. | Charge the batteries fully. Ensure batteries are inserted with correct polarity. Tighten the tail cap securely. |
| Penunjuk pengecasan tidak menyala. | USB cable not properly connected. Faulty USB power source. Damaged charging port. | Ensure USB-C cable is fully inserted into both the flashlight and power source. Try a different USB cable or power adapter. If the issue persists, contact customer support. |
| Output cahaya lemah atau berkelip-kelip. | Cas bateri rendah. | Cas semula bateri. |
Spesifikasi
| Ciri | Perincian |
|---|---|
| Model | H42UV |
| Jenis Sumber Cahaya | 3x 4-core 365nm UV LED |
| Sumber Cahaya Wattage | 36 Watt |
| Kuasa Bercahaya | Sehingga 6000mW |
| Sumber Kuasa | Battery Powered (4x 18650 Lithium Ion) |
| Antara Muka Pengecasan | USB Jenis-C |
| bahan | Aluminium Anodized |
| warna | Hitam |
| Berat Barang | lebih kurang 1.15 paun (0.52 kg) |
| Ciri Khas | High Power, Rechargeable, Stain Detector, Black UV Filter Lens |
Waranti & Sokongan
For warranty information, technical support, or any inquiries regarding your ALONEFIRE H42UV flashlight, please refer to the product packaging or contact ALONEFIRE customer service directly. You can also visit the official ALONEFIRE store on Amazon for more information and support resources: ALONEFIRE Store.