Powerful under-barrel flashlight Dulotec L21B – SFT40 LED, 2,000 lumens, 1,200 m range

74,99 €

High-Power Flashlight, 2000 Lumens
Range up to 1,200 meters
Body length: 175 mm; weight: 280 g (with battery)
IPX-8 waterproof rating (up to 2 m underwater)
Luminus SFT40 LED with a 50,000-hour lifespan, 6,500 K (cool white)
Runs on 1 21700 battery included in the kit

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Dulotec L21B Underbarrel Flashlight—Power and Reliability in One

The Dulotec L21B is a rugged, high-power flashlight with a lightweight design. It was specifically designed as an under-barrel flashlight and offers an exceptional beam range of 1,200 meters and a maximum light output of 2,000 lumens.

It is powered by a single 21700 rechargeable battery, included in the kit. At maximum power, it provides over 1 hour of continuous operation, and at lower power levels, up to 52 hours.

Key Benefits of the Dulotec L21B

Luminus SFT40 Diode – State-of-the-art technology for maximum efficiency
Range: 1,200 m—ideal for open terrain
2,000 lumens of brightness—powerful lighting when you need it
IPX-8 protection—dustproof and submersible up to 2 meters
26-mm-diameter body—compatible with most gun racks
Flexible control—set to 1, 3, or more modes
Optional remote trigger available
Warranty: 24 months

What's Included in the Set

The set includes the flashlight, a 21700 rechargeable battery, a charger, and a wrist strap. The price listed is for this complete set.

About the Dulotec Brand

Dulotec develops high-quality tools for outdoor use and everyday life. The philosophy is simple: the best value for money, without unnecessary features that drive up the price.

For flashlights, this means using state-of-the-art LEDs and drivers in proven housings—without any additional design or packaging costs. The result is high performance at an affordable price.

Specifications	Value
Brand	Dulotec
Model	L21B
Category	Under-barrel flashlight
Luminous flux	2,000 lumens
Range	1,200 meters
Maximum operating time	52 hours
Diode Type	Luminus SFT40
Defense	IPX-8 – dustproof, submersible up to 2 meters
Length	170 mm
Head diameter	62 mm
Body Diameter	26 mm
Weight	280 g (with battery)
Battery Type	21700 Lithium-Ion Rechargeable Battery
Power Supply	1 x 21700
Operating Modes	Customizable – 1, 3, or more modes
Contents of the Set	Flashlight, 21700 rechargeable battery, charger, strap
Warranty	24 months

Frequently Asked Questions

What is the Dulotec L21B flashlight designed for?

The Dulotec L21B was specifically designed as an under-barrel flashlight—that is, for mounting under the barrel of a firearm. Its body has a diameter of 26 mm, making it compatible with most standard mounts. A remote trigger has also been developed for it, which makes it easier to operate while using a firearm. It is suitable for hunting, security, and tactical purposes.

What type of diode does the Dulotec L21B use, and why is it important?

The flashlight uses a Luminus SFT40 LED—a modern, high-efficiency LED known for its long beam distance and high luminous flux. It is this diode that enables the flashlight to achieve 2,000 lumens and a beam distance of 1,200 meters. Dulotec relies on proven diodes and drivers, without incurring unnecessary design or packaging costs.

What kind of battery does the flashlight use, and is it included in the package?

The Dulotec L21B operates on a single 21700-format lithium-ion rechargeable battery. The battery is included in the kit, along with a charger and a wrist strap. The listed price is for the complete set—flashlight, battery, and charger. You do not need to purchase the battery separately.

How long does the Dulotec L21B stay on at maximum brightness?

At its maximum setting of 2,000 lumens, the flashlight provides over 1 hour of continuous operation. At lower brightness levels, the maximum runtime reaches up to 52 hours. The choice of mode depends on the specific situation and whether you need a long beam distance or extended runtime.

Is the Dulotec L21B waterproof?

Yes, the flashlight has an IPX-8 rating, which means it is both dustproof and waterproof up to a depth of 2 meters. This makes it reliable for hunting in the rain, in damp environments, or when working in extreme outdoor conditions.

Can the number of modes be adjusted?

Yes, the Dulotec L21B offers flexible control options. Users can configure 1 mode, 3 modes, or more, depending on their specific needs. This is particularly useful for tactical applications where quick access to a specific mode is important.

What is the warranty on the Dulotec L21B, and where can it be purchased?

The flashlight comes with a 24-month warranty. It can be purchased from Dulotec.COM—an online store for high-quality outdoor gear, flashlights, and tactical accessories. Dulotec is a Bulgarian brand that prioritizes genuine quality and affordable prices without compromising on the product’s core features.

Weight

0,4 kg

Dimensions

6,0000 cm