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  3. ALONEFIRE SV57

ALONEFIRE SV57 Uv Flashlight Usb Rechargeable Ultraviolet 3W 365NM

Sv57 Alonefire 3w Small Uv Flashlight 365nm Type C Usb Rechargeable Ultraviolet

( Brand: Alonefire ), ( Part Type: Flashlight ), ( Special Feature: Lightweight, Portable ), ( Color: Black ), ( Power Source: Battery Powered ), ( Light Source Type: Led ), ( Material: Anodized Aluminum ), ( Package Dimensions: 3.78 X 1.46 X 1.06 Inches ), ( Batteries: 1 Lithium Ion Batteries Required. ), ( Customer S: 4.9/5 ), ( Included Components: Battery ), ( Voltage: 5 Volts ), ( Battery Cell Composition: Lithium Ion ), ( Item Weight: 1.76 Ounces ), ( Water Resistance Level: Waterproof ), ( Brightness: 150 Lumen ), ( Battery Description: Lithium-ion ), ( Style: Compact ), ( Light Source Wattage: 3 Watts ), ( Recommended Uses For Product: Uv Light Detection, Stain Detection, Mineral Detection, Money Det ), ( Light Output Maximum: 150 Lumens ), ( Manufacturer Part Number: SV57 ), ( Batteries Included : Yes ), ( Country Of Origin: United States )

Review ALONEFIRE 3w Small Uv Flashlight 365nm Type Usb Rechargeable Ultraviolet

The Alonefire SV57 UV Flashlight is a versatile and powerful ultraviolet lighting tool designed for various applications. This 3W UV flashlight emits ultraviolet light at a wavelength of 365nm, making it suitable for detecting and examining fluorescent substances and materials.

The Alonefire SV57 is compact and portable, making it an ideal choice for outdoor enthusiasts, laboratory researchers, forensic investigators, and hobbyists. It features a sleek and durable aluminum body with an anti-skid texture, ensuring a secure grip even in wet or slippery conditions.

The flashlight's head can be adjusted to three different angles, providing flexibility in use. It also comes with a built-in diffuser lens, which can be used to soften the UV light and expand the illumination area.

Powered by a built-in 18650 rechargeable battery, the Alonefire SV57 can be charged via USB, making it convenient to use and recharge on the go. The flashlight also features overcharge and over-discharge protection, ensuring the battery's longevity and safe usage.

The Alonefire SV57 UV Flashlight is easy to use, with a simple on/off switch and a separate button for activating the UV light. It also includes a low battery indicator, which alerts the user when it's time to recharge.

This UV flashlight is ideal for a wide range of applications, including detecting counterfeit currency, identifying animal urine for wildlife tracking, examining minerals and gems, and even detecting insect infestations in homes and gardens. With its powerful UV emission, adjustable head, and convenient USB charging, the Alonefire SV57 UV Flashlight is a must-have tool for anyone who needs to work with ultraviolet light.

Pros and Cons of buying a Alonefire SV57 3W UV Flashlight: A Comprehensive Analysis

The Alonefire SV57 3W UV Flashlight is a unique tool, designed for various applications, including forensic investigations, security checks, and even hobbies such as fluorescent mineral hunting. Let's evaluate its advantages and disadvantages to help you make an informed decision.

Pros:

1. UV Light: The primary advantage of this flashlight is its ability to emit ultraviolet (UV) light at 365nm wavelength. UV light is not visible to the human eye, but it reveals hidden details on various surfaces, making it an essential tool for specific applications.

2. Rechargeable: The Alonefire SV57 flashlight is USB rechargeable, which offers convenience and cost savings in the long run. This feature eliminates the need to purchase and dispose of disposable batteries.

3. Compact and Portable: With dimensions of approximately 5.9 inches long and 1.5 inches in diameter, this flashlight is easy to carry and transport, making it ideal for fieldwork and on-the-go use.

4. Three Operating Modes: The flashlight offers three operating modes, including UV, white light, and strobe, catering to different needs and preferences.

5. Water-Resistant: The flashlight is rated IPX-67 water-resistant, ensuring it can withstand immersion in water up to 1 meter deep for 30 minutes.

Cons:

1. Limited Visibility: Since the UV light is not visible to the human eye, it can be challenging to navigate or inspect areas using only UV light. A separate white or infrared light source may be necessary for visual reference.

2. Limited Battery Life: Although the flashlight is rechargeable, the UV mode can drain the battery quickly, requiring frequent recharges.

3. High Price Point: Compared to other UV flashlights on the market, the Alonefire SV57 3W UV Flashlight can be relatively expensive.

4. Potential Safety Concerns: UV light can be harmful to the eyes and skin, so proper safety precautions must be taken while using this flashlight.

Conclusion:

The Alonefire SV57 3W UV Flashlight is a powerful and versatile tool with unique features that cater to specific applications. Its ability to emit UV light, rechargeability, compact size, and water resistance make it an attractive choice for forensic investigations, security checks, and hobbyists. However, its limited visibility, battery life, high price point, and potential safety concerns should be carefully considered before making a purchase. If you require a UV flashlight for your work or hobby and can afford the investment, the Alonefire SV57 3W UV Flashlight is a solid choice. Otherwise, you may want to consider other more budget-friendly options or wait for potential price drops.

Details:

IPX5 waterproof level. Built-in rechargeable battery, it supports Type C USB rechargeable, charging port with reversible, can be inserted into the power supply without regard to front and back of plug, which makes more convenient fast. The body case uses high-quality aluminum alloy, which greatly enhanced its heat dissipation performance, this makes flashlights more reliable and durable. About this item.

Equipped with hard toughened black filter optical lens that can out foreign light from the environment, very little visible light, which makes ultraviolet purer. 24/7 live chat available.

part #: sv57 price

  • $15.58

specifications flashlightflow:

  • brand: Alonefire
  • part type: Flashlight
  • special feature: Lightweight, Portable
  • color: Black
  • power source: Battery Powered
  • light source type: Led
  • material: Anodized Aluminum
  • package dimensions: 3.78 X 1.46 X 1.06 Inches
  • batteries: 1 Lithium Ion Batteries Required.
  • customer s: 4.9/5
  • included components: Battery
  • voltage: 5 Volts
  • battery cell composition: Lithium Ion
  • item weight: 1.76 Ounces
  • water resistance level: Waterproof
  • brightness: 150 Lumen
  • battery description: Lithium-ion
  • style: Compact
  • light source wattage: 3 Watts
  • recommended uses for product: Uv Light Detection, Stain Detection, Mineral Detection, Money Det
  • light output maximum: 150 Lumens
  • manufacturer part number: SV57
  • batteries included : Yes
  • country of origin: United States

general flashlightflow:

  • Camping Hiking > Flashlights, Lanterns Lights > Flashlights
  • condition: New

returns flashlightflow:

  • paid by: Seller
  • time: 30 Days
  • method: Money back
  • policy: Returns Accepted

payments flashlightflow:

  • other
  • credit card: Diners-club
  • wallet: Apple-pay

shipping flashlightflow:

  • cost: $0.00
  • class: Expedited
  • service: Expedited
  • type: Fixed
  • transit: 4-8 Days

offer flashlightflow:

  • quantity: 1
  • started: December 22, 2025
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home

seller flashlightflow:

  • # reviews: 202
  • rating: 100.0%
  • city: New York, New York
part type: flashlight, special feature: lightweight, portable, power source: battery powered, light source type: led, package dimensions: 3.78 x 1.46 x 1.06 inches, batteries: 1 lithium ion batteries required., customer s: 4.9/5, included components: battery, voltage: 5 volts, battery cell composition: lithium ion, item weight: 1.76 ounces, water resistance level: waterproof, brightness: 150 lumen, battery description: lithium-ion, style: compact, light source wattage: 3 watts, recommended uses for product: uv light detection, stain detection, mineral detection, money det, light output maximum: 150 lumens, batteries included: yes, country of origin: united states,
category: sporting goods > camping hiking > flashlights, lanterns lights > flashlights, color: black, material: anodized aluminum, sku: 7759068831504983,

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