The Weltool LH20 represents a breakthrough in weapon light head design, marrying the pinpoint precision of a laser-excited phosphor (LEP) emitter with a thoughtfully engineered aluminum reflector that delivers both an intense central beam and a gentle peripheral spill without the need for additional diffusion accessories. Driven by a sophisticated LEP light source, the LH20 generates a staggering 700 lumens of output and concentrates it into a 364,500-candela hotspot capable of reaching out to 1,207 meters, yet its wide-range spill bathes the immediate surroundings in low-lux illumination that preserves night vision and heightens situational awareness. This dual-nature beam pattern transforms the LH20 into an indispensable companion when clarity at distance is required—whether identifying targets in wilderness settings or conducting security patrols in urban environments—while still providing enough ambient light at your feet or along walls to navigate safely without blinding yourself with an overly narrow beam.

At just 32.5 millimeters in outer diameter, the LH20 head is remarkably compact and lightweight, sliding effortlessly into Weltool’s versatile weapon light bodies such as the W35 and W65 series or its BB18, BB3, and BB6 handheld modules. Compatibility extends to a choice of power sources, supporting either a single 18650 cell for extended runtimes or a smaller 18350 battery when minimal size is paramount. No matter which cell you choose, built-in battery polarity protection guards against reverse installation, while the low-voltage warning and over-discharge cutoff ensure you never find yourself in the dark without notice. In addition, a thermal management system steps the output down safely should the internal temperature rise beyond optimal thresholds, preserving both LED longevity and user comfort during prolonged high-output use.

The LH20’s body is fully potted, encasing the delicate LEP module and driver electronics in a robust resin that repels moisture, dust, and shock. This careful construction bolsters reliability in the field and eliminates the risk of internal corrosion, making it an ideal choice for harsh duty cycles or inclement weather. Despite this ruggedness, the housing remains sleek and unencumbered, allowing users to mount the head on Picatinny rails or handheld bodies with minimal added bulk. The tempered glass lens, coated to resist scratches and glare, protects the LEP emitter while maintaining peak optical clarity.

Weltool’s attention to user convenience extends to simple, intuitive operation when paired with any of their tail-cap options, such as the TC20 forward-click switch for rapid full-power activation or the TC69 slider-protected tailcap that prevents accidental engagement in a holster. Whether you prefer momentary bursts to signal movement or a locked constant-on output for hands-free tasks, the LH20 responds instantly to each click without delay or flicker, drawing on a digitally regulated constant-current circuit that delivers smooth, consistent brightness across all battery states. Running a 3000 mAh 18650 cell, you can expect roughly an hour and forty minutes of continuous operation at maximum output, while a compact 1200 mAh 18350 battery provides just under thirty minutes of full-power performance—information you can rely upon when planning extended missions or emergency scenarios.

From tactical entries in confined spaces to long-range observation, the LH20’s unique beam profile redefines what a weapon light head can do on its own. It forgoes the traditional all-or-nothing flood or throw dichotomy by integrating both into a single, purpose-built reflector that brings the world into focus at any distance. This innovation becomes particularly valuable in low-light environments where rapid assessment of both far and near threats is crucial: the high-candela hotspot reveals distant objects with surgical precision while the spill light keeps your immediate perimeter visible without compromising dark adaptation.

Installation is as straightforward as swapping any Weltool head: thread the LH20 onto the chosen body, insert your battery with confidence thanks to the polarity protection, and you are ready to engage. When the mission demands uncompromising reach, the LH20 unleashes its full 1,207-meter beam. When close-quarters navigation or equipment inspection is paramount, its spill light wraps the work area in gentle illumination. Throughout, the seamless blend of high output, precise optics, and rugged, potted construction ensures that the LH20 remains a reliable asset, whether mounted on a duty weapon, clipped to a vest as an improvised handheld light, or slotted into a backpack rail system for quick deployment.

In the realm of tactical illumination, the Weltool LH20 stands alone as a head that truly delivers on its promises: unmatched throw, responsive spill, bulletproof weather resistance, and the versatility to adapt to multiple platforms and battery types. It is the headlamp of choice for professionals who demand both surgical-precision sightlines and ambient coverage in one form-factor-efficient, field-hardened package. When the stakes are high and visibility cannot be compromised, the LH20 brings the darkness into clear view.

Features:

Lightweight design: Light head outer diameter of only 32.5mm

Battery polarity protection

Low battery warning function

Over-discharge protection

Overheat protection

Runtime (subject to variation based on testing conditions):

Using 3000mAh 18650 lithium-ion battery: 1 hour 40 minutes

Using 1200mAh 18350 lithium-ion battery: 29 minutes

SHIPPING
The final shipping cost and estimated delivery timeframe will be available to you during checkout. Currently, we offer 3 International shipping methods which are steady and easy to track. Priority worldwide shipping, Premium ( Partial countries) and a faster Express shipping. The estimated times stated below are not guaranteed. An international package could experience delays like postal strikes or severe weather or Cov-19 situation. All shipping ways, PO Box address is not acceptable.

For some flashlights, there's a pure battery inside（phone charging）,If We can not ship your packages via USPS or DHL,we'll ship your package in another way.

Note:
When you place an order for just the batteries, for easy shipping, faster and safe delivery, the batteries are placed in the flashlights.

If you don’t receive your order within the estimated time frame provided below and suspect that it might be lost in transit, please contact Flashlightgo Support ( support@flashlightgo.com ) and we can look into the order with the courier. Lost-in-transit requests must be submitted to Flashlightgo Support within 3 months of the date of shipping or before the courier archives the tracking information.

Option 1.
Express by DHL/UPS/Fedex/Aramax/SF etc ( there may be tax need to pay in this way),
The estimated time of delivery is usually 3-7 work days depending on the country. Includes detailed tracking and confirmation of delivery.

Option 2.
Premium ( 6-10days, All tax and Duty Paid),
All tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

Option 3.
Priority shipping(1-2 Weeks, average 10 days)
If we marked it is with all tax and duty paid, all tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

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To ensure that you get the desirable product, we allow a seven-day product return period. Any product return application outside this period will not be entertained.
All returned product must be unused and the original package should be kept.

Return：
We do not offer return for personal products like socks and hats or food, magazine and fragile or dangerous products The original receipt must be available for application of return.

Discount products：
No product return for discount products

Gifts products：
If the item is marked as a gift when purchased and shipped directly to you, it cannot be exchanged , refunded or warranty.

Exchange：
We only replace items if they are defective or damaged.
Exchange service are offered only to wrong deliveries or product damage not caused by client. If needed, please email to info@flashlightgo.com.

Warranty
How long is the warranty period?
Flashlightgo warrants to the original purchaser that the Product(s) shall be free of any defect in material or workmanship for a period of one year for labor and one year for parts from the date of the original order except the items listed below:
Chargers,Batteries and Other Accessories: 3 months warranty

Should the Product(s) supplied by Flashlightgo prove defective because of improper workmanship or material as reasonably determined by us, Flashlightgo agrees, at its option, to either repair or replace the Product free of charge, excluding any shipping or handling charges.

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