Weltool W4 Dragon in Clouds 560lm In-depth review, Pros and Cons

560 lm output
1782000 cd intensity
1 x 21700 Li-Ion battery

The Weltool W4 Dragon in Clouds (W4) released in 2020. It uses LEP, LEP reflector and 1 x 21700 Li-Ion battery. The powerful emitter in this flashlight provides up to 560 lm output, 1782000 cd intensity, and a beam distance of 2670 m.

The W4 Dragon in Clouds flashlight is an essential tools for emergency preparedness. In situations like natural disasters or blackouts, when electricity is unavailable, a flashlight becomes crucial for navigating dark areas, locating supplies, or signaling for help. This LEP flashlight produces an incredibly bright and concentrated beam of light. This light has 2 modes of lighting. This flashlight does not have memory function.

Weltool W4 Dragon in Clouds (W4) pictures

Weltool W4 Dragon in clouds / W4 photo
Weltool W4 Dragon in clouds / W4 photo
Weltool W4 Dragon in clouds / W4 photo
Weltool W4 Dragon in Clouds / W4

The specifications below are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Weltool W4 Dragon in Clouds, then don’t hesite and signal the problem to us.

Weltool W4 Dragon in Clouds (W4) specifications

NameW4 Dragon in Clouds
Rated 4/5 based on 1013 user votes.

Flashlights are compact and lightweight, making them highly portable. They can easily fit into pockets, backpacks, or glove compartments, allowing you to carry them wherever you go.


Weight332.8 g
Length193 mm
Body diameter27 mm
Head diameter60 mm
Materialaluminium alloy body with HAIII hard-anodized finish

This 332.8 g flashlight would be considered relatively heavy for a handheld flashlight. Flashlights in this weight range may have features like extended battery life, intense brightness, or rugged construction for heavy-duty use. The length of a flashlight can affect how it feels in your hand and how you can grip and maneuver it. A longer flashlight may provide a more substantial grip, making it easier to hold and control, especially if you have larger hands.

Aluminium body of W4 Dragon in Clouds is known for its durability and strength. It offers excellent resistance to impacts, scratches, and corrosion, making it suitable for rugged outdoor use or in demanding environments. The HAIII process produces a hard and wear-resistant surface on the aluminum, making it more resistant to scratches, abrasions, and impacts. This improves the overall durability of the flashlight body. The W4 Dragon in Clouds flashlight is available in black.


Color temperature6500 K
Lenstoughtened AR coated glass
Switchmechanical rear

The W4 Dragon in Clouds uses the LEP technology. It is a type of lighting technology that utilizes a laser diode to excite a phosphor material, resulting in the emission of visible light. The choice of color temperature depends on the specific lighting application and personal preferences. This flashlight has an AR coated lens. This Anti-Reflective coating is a thin optical coating applied to the surface of the lens to minimize reflections and improve light transmission.

The W4 Dragon in Clouds has mechanical switch. Mechanical switches are known for their durability and reliability. They are typically built with robust construction, making them resistant to wear and tear, and capable of enduring various environmental conditions. With a rear switch of W4 Dragon in Clouds flashlight, the operation of the flashlight is often straightforward and easy to grasp. A simple press or click of the rear switch turns the flashlight on or off, eliminating the need for complex button combinations or multi-step processes.


Flux560 lm
Intensity1782000 cd
Throw2670 m
CD/LM factor3182.14

560 lm can provide a decent amount of brightness and be suitable for many everyday tasks, it may not be sufficient for certain scenarios or individuals with specific requirements. With 1782000 cd, this Weltool flashlight will produce an extremely intense and powerful beam of light. It will provide an unparalleled level of brightness and visibility, capable of illuminating objects or areas with exceptional clarity even at very long distances.

The throw is the calculated distance in meters at which the flashlight produces a light intensity of 0.25 lux. The cd/lm factor (candela-to-lumen ratio) provides information about how concentrated or focused the light output of a light source is. A higher cd/lm ratio indicates that the light is more concentrated in a specific direction, while a lower ratio indicates a more diffused or spread-out light output.


Modes2 modes
Mode memoryno
Ramping modeno

Modes on a flashlight refer to different output settings or levels of brightness that can be selected to suit different needs and preferences.


Battery1 x 21700 Li-Ion battery
Battery indicatorno
Charger portno
Thermal regulationyes
Impact resistance1 m

The W4 Dragon in Clouds flashlight utilizes 1 x 21700 Li-Ion battery as its power source. The W4 Dragon in Clouds cannot charge batteries directly. You may need an external charger to keep your battery going. LVP (Low Voltage Protection) is designed to protect the battery from being over-discharged, which can lead to reduced battery life or even permanent damage. The built-in thermal control automatically adjusts brightness output to prevent overheating.

The "6" in the IP67 rating represents the level of protection against solid objects, specifically dust and foreign particles. It indicates that the W4 Dragon in Clouds flashlight, is fully protected against the entry of dust and other solid objects. The "7" in the IP67 rating indicates that the W4 Dragon in Clouds flashlight, can withstand being submerged in water up to a certain depth for a limited time without being damaged. The impact resistance of a flashlight can vary depending on its design, construction, and intended use.


Package contents21700 battery with USB Type-C
USB Type-C cable
spare o-ring

With an included battery you can immediately use the flashlight for your desired applications, saving time and allowing you to focus on your tasks or activities. Having spare O-rings allows you to replace them as needed, ensuring that the flashlight maintains its water-tight seal and remains protected from moisture or water ingress.

The performance of the Weltool W4 Dragon in Clouds flashlight is measured according to the ANSI / NEMA FL1 Standard 30 seconds after switching the light on. The ANSI/NEMA FL1 2009 Standard is a set of flashlight performance guidelines.

Weltool W4 Dragon in Clouds (W4) comparisons

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