Introdución
The Alonefire SV72 is a versatile 2-in-1 flashlight designed for both general illumination and specialized detection tasks. It features a powerful 365nm UV light for detecting fluorescent substances and an XHP50 LED white light for bright, standard illumination. This manual provides essential information for the safe and effective use of your SV72 flashlight.

Figure 1: Alonefire SV72 2-in-1 UV and White Light Flashlight
Produto rematadoview
The SV72 flashlight combines two distinct light sources in one compact device, making it ideal for a wide range of applications from outdoor activities to professional inspections. Its robust aluminum alloy construction ensures durability, while the Type-C USB charging port offers convenient power management.
Video 1: Alonefire SV72 Product Overview, demonstrating charging and light modes.
Configuración
Cargando a lanterna
The SV72 flashlight is equipped with a Type-C USB charging interface. To charge the device:
- Locate the rubber cover on the side of the flashlight, protecting the charging port.
- Gently lift the rubber cover to expose the Type-C USB port.
- Connect the provided USB charging cable to the flashlight's Type-C port and plug the other end into a compatible USB power source (e.g., USB plug, charging treasure, phone charger, car charger, notebook).
- The battery indicator lights (purple LEDs) on the flashlight will illuminate to show the charging progress.
- Once fully charged, disconnect the cable and securely close the rubber cover to protect the port from dust and moisture.

Figure 2: Type-C USB Charging Interface

Figure 3: Compatible Charging Methods
Instalación de baterías
The SV72 flashlight uses a 1x26650 battery. The battery is typically pre-installed. If replacement is necessary, unscrew the tail cap, insert the 26650 battery with the positive (+) end facing the head of the flashlight, and then securely re-screw the tail cap.
Instrucións de funcionamento
Power On/Off and Light Source Selection
The flashlight features a single power switch for operation:
- Prensa curta: Turn the flashlight ON/OFF.
- Prensa longa: Switch between the 365nm UV light source and the XHP50 LED white light source.
Using the 365nm UV Light
The 365nm UV light is designed for various detection and identification purposes:
- Detección de ouriños de mascotas: Illuminate dark areas to reveal hidden pet urine stains on carpets, furniture, or floors.
- Scorpion Finder: Scorpions fluoresce under UV light, making them easier to spot in dark environments.
- Currency and Document Authentication: Verify security features on banknotes, licenses, cards, and passports that are visible only under UV light.
- Fluorescent Agent Detection: Identify fluorescent agents in cosmetics, textiles, or other materials.
- Oil Stain and Leakage Detection: Locate oil leaks or stains that fluoresce under UV light.
- Ore and Antique Identification: Observe the fluorescence of certain minerals and antique items for authentication.
- Curado con cola UV: Can be used for curing UV-sensitive adhesives.

Figure 4: UV Blacklight Flashlight Applications

Figure 5: Pet Fungus Detection

Figure 6: Pet Stain Detection on Carpet

Figure 7: Pet Stain Detection on Wood Floor

Figure 8: Currency and Stamp Anti-Counterfeiting Detection

Figure 9: Black UV Filter Lens for Pure UV Light
Using the XHP50 LED White Light
The XHP50 LED white light provides powerful general illumination for various tasks, including:
- General lighting in dark areas.
- Actividades ao aire libre como camping, hiking, or night walks.
- Emergency lighting.
Power Output (Charging other devices)
The SV72 flashlight can also function as a power bank, allowing you to charge other devices via its USB-A output port while you continue to use the flashlight.

Figure 10: Power Output Function - Charging a Phone
Mantemento
- Limpeza: Limpe o corpo da lanterna cun pano suave eamp cloth. Do not use abrasive cleaners or solvents. Keep the lenses clean for optimal performance.
- Almacenamento: Garda a lanterna nun lugar fresco e seco lonxe da luz solar directa e de temperaturas extremas.
- Coidado da batería: To prolong battery life and prevent damage, avoid completely draining the battery. Always leave some charge margin. Recharge the battery regularly, even if not in frequent use.
- Resistencia á auga: The flashlight is waterproof, but avoid prolonged submersion in water. Ensure all covers (e.g., charging port cover) are securely closed before exposure to water.
Resolución de problemas
- A lanterna non se acende: Check if the battery is charged. Ensure the battery is correctly inserted with the positive (+) end facing the head.
- A saída de luz é tenue: Pode que a batería estea baixa. Recarga a lanterna.
- Cannot switch between UV and white light: Ensure you are performing a long press on the power switch. A short press only turns the device on/off.
- Battery damage due to over-discharge: As noted in the product description, completely draining the battery can cause irreversible damage. Always leave some charge margin.
Especificacións
| Característica | Especificación |
|---|---|
| Nome da marca | Alonefire |
| Número de modelo | SV72 |
| Tipo de elemento | LINTERNAS |
| Fonte de luz | LED bulbs (365nm UV light + XHP50 LED) |
| Purple Light Power | 20 W |
| Poder de luz branca | 20 W |
| Material do corpo | Aliaxe de aluminio |
| Batería | 1x26650 battery (Included) |
| Cargador | Rechargeable (Type-C USB Interface) |
| Dimensions (Length x Head x Tail) | 133 mm x 51 mm x 34 mm |
| Peso | Aprox. 172 g |
| Impermeable | Si |
| Función | Shock Resistant, Self Defense, UV |
| Modo de cambio | Zoom In (for light source selection) |
| Soporte de regulador de intensidade | 2-4 Files |
| Distancia de iluminación | < 50 m |
| Certificación | ROHS, CE, FCC |

Figura 11: Dimensións do produto
Consellos para o usuario
- For best results when detecting pet stains or scorpions, use the UV light in a completely dark environment.
- When checking currency, focus on the specific security threads and watermarks that react to UV light.
- Always keep the charging port cover sealed when not charging to maintain water resistance.
- The flashlight's power output feature can be a lifesaver for small device charges in emergencies.
Garantía e Soporte
Alonefire products are designed for reliability and performance. We offer the following:
- 1 ano de garantía: Todos os produtos inclúen unha garantía dun ano da nosa tenda.
- Política de devolución de 7 días: Enjoy 7 days to return if there are any quality problems.
- Atención ao cliente: Todos os correos electrónicos serán respondidos en 24 horas.
For any inquiries or support, please refer to the seller's contact information.

Figure 12: Warranty and Service Details


