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10 Best Blacklight Flashlights 2025 in the United States
#1
Winner
LE Small UV Blacklight Flashlight, Portable Black Light 395nm, Ultraviolet Light Detector for Invisible Ink Pens, Dog Cat Pet Urine Stain, AAA Batteries Included
The LE Small UV Blacklight Flashlight is a compact and portable tool designed to help detect animal urine, food stains, and authenticate currency and official documents. With a 395nm wavelength, it effectively illuminates details invisible to the naked eye, making it an essential utility for pet owners and those needing a reliable detection tool. The flashlight runs on AAA batteries, which are included, ensuring longer usage time compared to similar-sized UV flashlights.
Rating
10.0
Chosen by1,126
Wavelength
Battery Type and Life
Size and Portability
Most important from
2531 reviews
#2
Vansky UV Flashlight Black Light, 51 LED Blacklight Pet Urine Detector for Dog/Cat Urine, Dry Stains, Bed Bug, Resin Curing, Scorpions Finder
The Vansky UV Flashlight Black Light is a versatile tool designed to reveal invisible stains and perform a wide range of detection tasks. It emits UV light at a wavelength of 395nm, which is suitable for detecting pet urine, food stains, and other unwanted substances on various surfaces. With 51 high-quality LEDs, it offers strong light output that can illuminate a substantial area, making it effective for tasks like scorpion spotting, currency authentication, and resin curing.
Rating
10.0
Light Output
Durability and Build Quality
Size and Portability
Most important from
70153 reviews
#3
GearLight UV Black Light Flashlight S100 [2 Pack] - Mini Blacklight Ultraviolet Pen Lights for Leak and Hotel Inspection - Pet Urine, Bed Bug, Scorpion, Stain, and Dye Detector
![GearLight UV Black Light Flashlight S100 [2 Pack] - Mini Blacklight Ultraviolet Pen Lights for Leak and Hotel Inspection - Pet Urine, Bed Bug, Scorpion, Stain, and Dye Detector](https://images-proxy.bestreviews.guide/vL0-ueyKXZQO_Zgi2UvMk_gzdYc=/0x300/https://m.media-amazon.com/images/I/41CCNt2kRPL._AC_CX679_.jpg)
The GearLight UV Black Light Flashlight S100 is a compact and portable UV flashlight that is well-suited for tasks such as detecting stains, pests, and counterfeit items. Its small size (5.25 x 0.5 x 0.5 inches) and lightweight construction (1 ounce) make it easy to carry around, and it conveniently fits into a pocket or clips onto a belt or bag.
Rating
9.9
Light Output
Battery Type and Life
Durability and Build Quality
Most important from
15190 reviews
Top 10 Best Blacklight Flashlights 2025 in the United States
#1
Winner
LE Small UV Blacklight Flashlight, Portable Black Light 395nm, Ultraviolet Light Detector for Invisible Ink Pens, Dog Cat Pet Urine Stain, AAA Batteries Included
LE Small UV Blacklight Flashlight, Portable Black Light 395nm, Ultraviolet Light Detector for Invisible Ink Pens, Dog Cat Pet Urine Stain, AAA Batteries Included
Wavelength: 395nm
Battery Type and Life: 3 AAA batteries, 2 hours 13 minutes
Durability and Build Quality: Impact resistant, aluminum, non-slip, IPX4 waterproof
Size and Portability: Compact, lightweight, 3.98 x 1.22 x 2.99 inches
Chosen by 1126 this week
Vansky UV Flashlight Black Light, 51 LED Blacklight Pet Urine Detector for Dog/Cat Urine, Dry Stains, Bed Bug, Resin Curing, Scorpions Finder
Vansky UV Flashlight Black Light, 51 LED Blacklight Pet Urine Detector for Dog/Cat Urine, Dry Stains, Bed Bug, Resin Curing, Scorpions Finder
Wavelength: 395nm
Light Output: 51 LEDs
Battery Type and Life: 3 AA batteries
Durability and Build Quality: Aluminum
Size and Portability: 5.9"D x 2.16"W x 2.16"H
GearLight UV Black Light Flashlight S100 [2 Pack] - Mini Blacklight Ultraviolet Pen Lights for Leak and Hotel Inspection - Pet Urine, Bed Bug, Scorpion, Stain, and Dye Detector
GearLight UV Black Light Flashlight S100 [2 Pack] - Mini Blacklight Ultraviolet Pen Lights for Leak and Hotel Inspection - Pet Urine, Bed Bug, Scorpion, Stain, and Dye Detector
Light Output: UV light
Battery Type and Life: 2 AAA batteries required
Durability and Build Quality: Military-grade aluminum, water-resistant
Size and Portability: 5.25 x 0.5 x 0.5 inches
uvBeast New V3 365nm MINI - Black Light UV Flashlight – High Definition Pure Ultraviolet - Professional Grade High Power Upgraded 5 Core UV LED – USA Stock
uvBeast New V3 365nm MINI - Black Light UV Flashlight – High Definition Pure Ultraviolet - Professional Grade High Power Upgraded 5 Core UV LED – USA Stock
Wavelength: 365nm
Battery Type and Life: Lithium Ion, 5 hours
Durability and Build Quality: Aluminum
Size and Portability: 2.02 x 0.64 x 0.64 inches
uvBeast V3 365nm Black Light UV Flashlight – High Definition Ultraviolet - HIgh Power and Long Range Professional Grade Beam Best for Professional/Commercial Use – USA Stock
uvBeast V3 365nm Black Light UV Flashlight – High Definition Ultraviolet - HIgh Power and Long Range Professional Grade Beam Best for Professional/Commercial Use – USA Stock
Wavelength: 365nm
Light Output: Triple LED system
Battery Type and Life: 3 AA batteries, Li-ion cells
Durability and Build Quality: Aluminum body
Size and Portability: 8.66 x 2.17 x 0.91 inches
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Up to 23% off
uvBeast V3 385-395nm Black Light UV Flashlight - High Power Upgraded Triple Broad Band LEDs Best for Professional/Commercial Use - USA Stock
uvBeast V3 385-395nm Black Light UV Flashlight - High Power Upgraded Triple Broad Band LEDs Best for Professional/Commercial Use - USA Stock
Wavelength: 385-395nm
Battery Type and Life: Battery Powered, Rechargeable
Durability and Build Quality: Durable aluminum
Size and Portability: Portable
ESCO LITE Escolite UV Flashlight Black Light, 51 LED 395 nM Ultraviolet Blacklight Detector for Dog Urine, Pet Stains and Bed Bug
ESCO LITE Escolite UV Flashlight Black Light, 51 LED 395 nM Ultraviolet Blacklight Detector for Dog Urine, Pet Stains and Bed Bug
Wavelength: 395nm
Light Output: 600 Lumen
Battery Type and Life: 3 AA batteries
Durability and Build Quality: Aluminum, waterproof, dustproof
Size and Portability: 5.8 x 1.4 x 2.2 in; 5.76 oz
GLOSSDAY Blacklight Flashlight,128 LED UV Flashlights, Upgraded Bright Ultraviolet Flashlight Professional Black Light for Dog/Cat, Hunting Scorpions
GLOSSDAY Blacklight Flashlight,128 LED UV Flashlights, Upgraded Bright Ultraviolet Flashlight Professional Black Light for Dog/Cat, Hunting Scorpions
Wavelength: 395 nm
Light Output: 18W
Battery Type and Life: 6 x AA, frequent replacements
Durability and Build Quality: Aircraft-grade aluminum, IP44 rated
Size and Portability: 1.42"D x 3.54"W x 7.6"H
LUMENSHOOTER S3 365nm UV Flashlight with 3 LEDs, Powerful Blacklight Flashlights for Pet Urine Detection, Resin Curing, Rocks, Scorpion
LUMENSHOOTER S3 365nm UV Flashlight with 3 LEDs, Powerful Blacklight Flashlights for Pet Urine Detection, Resin Curing, Rocks, Scorpion
Wavelength: 365nm
Light Output: 800 Lumen
Battery Type and Life: Rechargeable Lithium Ion, 4 hours
Durability and Build Quality: Aluminum, Waterproof
Size and Portability: 5.7 inches, 11.3 ounces
#10
Black Light UV Light Flashlight: Vansky 395nm 12 LED 2 Pack Ultraviolet Blacklight Flashlight Mini Powerful Pet Urine Detector for Dog/Cat, Carpet Dry Stains Detection, Spot Scorpions, Resin Curing
Black Light UV Light Flashlight: Vansky 395nm 12 LED 2 Pack Ultraviolet Blacklight Flashlight Mini Powerful Pet Urine Detector for Dog/Cat, Carpet Dry Stains Detection, Spot Scorpions, Resin Curing
Wavelength: 395nm
Light Output: 12 LED lights
Battery Type and Life: Batteries Required: Yes, Included: No
Durability and Build Quality: Heavy-duty aluminum alloy
Size and Portability: 5.4*3.5*1.3 inches, 3.5 ounces
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Buying Guide for the Best Blacklight Flashlights
When choosing a blacklight flashlight, it's important to understand the key specifications that will determine its performance and suitability for your needs. Blacklight flashlights, also known as UV flashlights, are used for a variety of purposes such as detecting pet stains, scorpions, counterfeit money, and more. To make an informed decision, you should consider the following key specifications and how they align with your intended use.WavelengthThe wavelength of a blacklight flashlight is measured in nanometers (nm) and determines the type of UV light emitted. Most blacklight flashlights emit UV-A light, which ranges from 320 to 400 nm. For general use, a wavelength around 365-395 nm is ideal as it provides a good balance between visibility and effectiveness. If you need to detect specific substances, such as certain minerals or biological materials, you may need a flashlight with a specific wavelength within this range. Choose a wavelength based on the type of detection you need.
Light OutputLight output, often measured in lumens, indicates the brightness of the flashlight. While blacklight flashlights are not typically as bright as regular flashlights, a higher lumen count can help you see UV-reactive materials more clearly. For general use, a light output of 100-200 lumens is usually sufficient. If you need to cover larger areas or require more intense illumination, look for a flashlight with higher lumens. Consider your specific needs and the environment in which you'll be using the flashlight to determine the appropriate light output.
Battery Type and LifeThe type of battery and its life are crucial for the convenience and longevity of your blacklight flashlight. Common battery types include AA, AAA, and rechargeable lithium-ion batteries. Rechargeable batteries are more cost-effective and environmentally friendly in the long run, while disposable batteries can be more convenient for occasional use. Battery life varies depending on the flashlight's power consumption and the type of battery used. If you plan to use the flashlight frequently or for extended periods, opt for a model with long battery life or rechargeable options.
Durability and Build QualityDurability and build quality are important factors to consider, especially if you plan to use the flashlight in rugged or outdoor environments. Look for flashlights made from high-quality materials such as aluminum or reinforced plastic, which can withstand drops and rough handling. Water and dust resistance ratings, such as IPX4 or higher, are also beneficial for outdoor use. Choose a flashlight that feels sturdy and well-constructed to ensure it can handle your intended use.
Size and PortabilityThe size and portability of a blacklight flashlight can affect its ease of use and convenience. Smaller, pocket-sized flashlights are easy to carry and store, making them ideal for quick inspections or travel. Larger flashlights may offer more power and features but can be bulkier to handle. Consider how and where you will be using the flashlight to determine the best size for your needs. If portability is a priority, opt for a compact and lightweight model.