10 Best Black Light Flashlights 2026 in the United States

The OLIGHT ArkPro Ultra is a versatile and durable flashlight that stands out with its combination of four light modes: a bright 1700-lumen white floodlight, an 800-lumen spotlight, a 365nm UV light, and a green beam. This variety makes it well-suited for different situations like camping, emergency use, and everyday carry. The UV light is especially useful for detecting stains and leaks, while the green beam can be combined with the other lights for various lighting effects.

It has strong battery life, lasting up to 14 days on the lowest setting, and recharges easily via magnetic USB or USB-C cables. Built from Olight’s proprietary aluminum alloy, it’s tougher than typical flashlights, resistant to scratches and dents, which is great if you plan to use it outdoors or in demanding conditions. The rectangular design fits comfortably in the hand and its clip and magnetic base add to its convenience for hands-free use.

Its rectangular shape might feel unusual compared to standard round flashlights, and while it is portable, it’s slightly larger than compact single-purpose UV lights. Also, the green beam’s power is limited to 5mW, which is adequate but not very strong for specialized tasks. For those needing a multi-function flashlight that combines strong white light with UV and green beams, and value durability and battery life, the ArkPro Ultra is a solid choice. For a simple, very compact UV-only flashlight, something smaller might be preferable.

The OLIGHT ArkPro is a versatile black-light flashlight that also offers bright white and green beams, making it a handy all-in-one tool for outdoor activities, emergencies, and work tasks. It features four light sources including a UV light and a green beam, with independent control allowing you to mix these lights as needed. The white LED can reach up to 1500 lumens, providing strong floodlight and spotlight options that can shine up to 205 meters, which is excellent for both wide-area illumination and focused distance lighting. The green beam is limited to safe output levels (≤5mW), suitable for specialized uses like hunting or navigation.

Its rechargeable lithium polymer battery offers up to 72 hours of runtime, and charging is convenient via USB-C or a magnetic dock. The flashlight is compact and flat, designed for comfortable pocket carry and easy handling, while its 6061 aluminum alloy body ensures good durability and water resistance with an IPX7 rating, meaning it can survive short water exposure. Additional practical features include ergonomic buttons, a dual-direction clip for hands-free use, and clear status indicators for battery and brightness levels.

The flat rectangular shape might not feel as traditional as cylindrical flashlights to some users. Also, while it includes multiple beams, the UV and green lights are less bright, which is typical but worth noting if those are your main interest. This flashlight serves as an excellent choice for those seeking a reliable, multi-functional lighting tool that fits easily in a pocket and can handle outdoor conditions, especially if the combination of white, UV, and green lights in one compact device is important.

The OLIGHT Arkfeld Pro is a versatile and powerful flashlight that combines both UV and white light, making it suitable for outdoor use, emergency situations, and everyday carry. Its UV light operates at a wavelength of 365nm with a strong output of up to 900mW, which is more professional and effective than many standard flashlights using 395nm UV light. This makes it especially useful for tasks requiring a true black-light effect, such as detecting stains, pet urine, or mineral exploration. The white LED delivers a bright 1300 lumens, providing excellent illumination for general use.

The flashlight features a rechargeable lithium-ion polymer battery and includes a battery level indicator to easily check remaining power. While runtime on the highest setting is around 11 minutes, users should consider this brief duration for high-brightness use or be prepared to carry a power source for longer activities. Made of aluminum with a flat, rectangular design, the Arkfeld Pro is slim and pocket-friendly, facilitating daily carry. It is also waterproof and offers clip-on and magnetic mounting options, enhancing its durability and convenience.

Some users might find the 11-minute runtime limiting for extended use at full brightness, but its compact form and reliable UV-white light combination make it highly functional for quick tasks. The intuitive circular selector allows smooth switching between modes, which is beneficial when changing lighting on the fly. For those seeking a professional-grade UV flashlight combined with a strong white light in a sleek, portable design, the Arkfeld Pro meets those needs effectively.