Shadowhawk CA-S1979 365nm UV Flashlight, 30W 4-Core with 99% Filter

When ordinary light is not enough to reveal a fluorescent trace, a dedicated UV flashlight gives you a more focused way to inspect surfaces, minerals and other UV-reactive details. The Shadowhawk CA-S1979 uses 365nm UV light with a filter lens designed to block 99% of visible light.

Its 30W, 4-core LED setup is suited to tasks ranging from checking for pet urine to exploring fluorescent rocks. A built-in LCD display shows remaining power, helping you plan longer inspection sessions.

For work away from an outlet, USB-C charging and a stated runtime of up to 10 hours make it practical to take along. The kit also includes test cards, a holster and a lanyard for a more ready-to-use setup.

Tips for day-to-day use

Use the beam to scan the area you want to inspect, whether you are checking a spot on a floor or looking over rocks for fluorescence. The 365nm wavelength and filter lens are intended to make UV-reactive details easier to distinguish from visible light. For resin or gel nail tasks, the flashlight is also marketed for curing, follow the material’s directions for positioning and exposure.

The LCD helps you keep an eye on remaining power while working. For an outing or a longer inspection, charge the flashlight by USB-C beforehand and use the included holster or lanyard to carry it. It suits you if you want one handheld UV light for both indoor detection and outdoor exploration, rather than a light intended only for general illumination.

Pros

The combination of 365nm UV and a 99% visible-light filter is the key practical distinction: it is designed to reduce stray visible light so fluorescent clues stand out more clearly. That can help when scanning for pet urine, examining minerals or checking other surfaces for UV-reactive marks. The 4-core LED and 30W output are designed for a strong beam, while the LCD gives a quick view of remaining power instead of leaving you to guess from a warning light.

Buyers often praise the UV output and the visibility of fluorescent details, including rocks and other items that are hard to see under normal light. They also appreciate the stated 10-hour runtime and the flashlight’s sturdy feel. These are user impressions, while the listed runtime and construction details describe the product itself.

Compared with choosing a UV light for only one narrow task, this model brings several uses together: household detection, mineral and scorpion spotting, and resin or gel nail curing. Its rechargeable design and carry accessories also suit users who want to bring the same light between home and outdoor searches.

Technical overview

• Name: Shadowhawk CA-S1979 UV flashlight
• Type: Handheld UV flashlight
• Light source: 365nm UV, 4-core LED
• Output: 30W
• Filter: Lens designed to block 99% of visible light
• Display: LCD showing remaining power, with stated ±1% accuracy
• Charging: USB-C, stated full charge in 2 hours
• Runtime: Up to 10 hours
• Material: Aluminum
• Colour: Black
• What’s included: Flashlight, holster, lanyard, USB-C cable, user manual, gift box and two test cards

Questions before you buy

What can I use this UV flashlight for? It is intended for spotting pet urine and other hidden stains, examining fluorescent rocks and scorpions, and curing resin or gel nails. The filter and 365nm output support inspection of details that react to UV light.

How does the filter help during an inspection? The lens is designed to block 99% of visible light. This helps reduce visible-light interference while you scan for fluorescence, making the UV-reactive areas easier to pick out.

How do charging and runtime work? The flashlight charges through USB-C, with a stated full charge time of 2 hours and runtime of up to 10 hours. Its LCD display shows remaining power during use.

Final verdict

The Shadowhawk CA-S1979 is a practical fit for anyone who needs a portable 365nm UV light for home detection, fluorescent rock searches or curing tasks. Its filtered beam, LCD power display and included carry accessories make it especially useful when you want to inspect details clearly and keep the flashlight ready for use.