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Observer Tools

450 Lumen LED Rechargeable Headlamp with Variable Intensity Dial & Motion Sensor

450 Lumen LED Rechargeable Headlamp with Variable Intensity Dial & Motion Sensor

SKU:OBS-HL350

Regular price $49.99 USD
Regular price Sale price $49.99 USD
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Built for the Job. Ready for Anything. The HL350 is a professional, rechargeable headlamp is engineered for ease of use and all‑day comfort. Control light output your way—use the variable‑intensity side dial, hands‑free motion sensor, or top-mounted on/off button. The secure, lightweight design stays comfortable through long shifts and demanding work.

Delivering up to 450 lumens on High and 60 lumens on Ultra‑Low, this high‑lumen LED headlamp projects a focused beam for reliable visibility on the job or outdoors. Recharge quickly via USB‑C (charging cable included).

Built tough and backed by a Lifetime Craftsmanship Warranty, the Observer Tools HL350 is a rugged, professional‑grade headlamp you can depend on. Questions? Our support team responds—usually within 24 hours.

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PRODUCT DETAILS

Bright & Adjustable Beam

450 lumens on High (200 lumens on Low, 60 lumens on Ultra-Low) and premium beam distance for maximum illumination.

Dimming Dial

Side dial allows you to select the exact light intensity you want (60 - 450 Lumens). Top power button can be used for fixed settings: 100% – 50% – OFF.

Hands-free Motion Sensor

Motion sensor function allows for hands-free operation. Wave your hand 2x to turn on and off – designed to avoid unintended operation. Motion sensor can be easily activated (or deactivated) with a single click.

Rechargeable Battery and Premium Runtime

Rechargeable battery delivers substantial savings vs. disposable batteries. Gives you the premium runtime you need to get the job done – 3.5 hours at 450 lumens, 6 hours at 200 lumens, 12 hours at 100 lumens and 20 hours at 60 lumens. Charges very fast – 0 to 100% in 2h30. Battery is internally protected with a -14°F to 122°F (-26°C to 50°C) operating range.

Versatile Design includes Magnet & Hard Hat Clips

Ergonomic design delivers a comfortable and secure fit when on your head. Silicon strips and 4 hardhat clips ensure the headlamp will stay on your hardhat.

Water-Resistant & Durable Construction

Lightweight aluminum casing for long-lasting durability. IP67 Water & Dust Resistance. Fully-Certified Headlamp.

Lifetime Craftsmanship Warranty

We stand behind all our products with our Lifetime Craftsmanship Warranty. If you ever have an issue with your flashlight that’s our fault, we’ll replace it, for LIFE.

SEE THE HL350 IN ACTION!

The Observer Tools HL350 headlamp is designed as a professional‑grade, hands‑free lighting solution, so its uses span work, outdoor, and emergency situations.

YOUR GO-ANYWHERE LIGHTING SOLUTION

Vehicle & Equipment Maintenance

Built for durability and precise illumination, the HL350 excels in demanding automotive and industrial environments. Its adjustable 60–450 lumen output provides clear, glare‑free visibility for car, truck, and fleet repairs, while the strong beam reach and rugged drop resistance make it a dependable tool for servicing heavy equipment. In roadside emergencies, its compact, rechargeable design delivers bright, focused light that supports safe nighttime inspections and quick tire changes. 

Professional Use - Construction and Maintenance

In demanding work environments where clarity and reliability matter, the HL350 delivers dependable illumination that keeps professionals moving with confidence. From navigating dark, confined spaces to performing precision tasks in low‑light conditions, this headlamp provides the focused visibility needed to work safely and efficiently throughout the day.

Engineered for versatility across trades, the HL350 supports a wide range of job‑site needs with a motion‑activated sensor that keeps the light responsive even when gloves are on. And in industrial or warehouse settings, the HL350 integrates seamlessly with hard hats using the included clips, while its impact‑resistant, IP67‑rated build stands up to dusty or wet environments.

Outdoor & Recreational Uses

Outdoors, reliable lighting is essential — whether you're navigating a trail after dark or setting up camp in changing weather. The HL350 is built for those moments, offering long runtime and a weatherproof design that performs through extended trips and unpredictable conditions.

For campers and hikers, its low‑mode output delivers up to 20 hours of steady light with convenient USB‑C recharging. Anglers and hunters can use the motion‑activated sensor for quiet, hands‑free control that minimizes movement. And when setting up a campsite or nighttime workspace, the adjustable beam angle directs light exactly where it’s needed without relying on handheld flashlights.

Emergency Preparedness

Designed with reliability and compliance at its core, the HL350 is a dependable addition to any emergency kit or go‑bag. Its lightweight, rechargeable design and certified lithium‑ion safety make it a trustworthy choice when preparedness matters most. For search, inspection, or response tasks, the IP67 dust‑ and water‑resistant build ensures consistent performance even in adverse conditions. And during critical or hazardous work, the hands‑free lighting keeps both hands available, supporting safer, more efficient movement in demanding situations.

Home & DIY Tasks

Beyond professional settings, the HL350 proves just as useful around the home. Its focused, adjustable light makes it ideal for repairs and renovations in attics, basements, crawlspaces, or behind appliances where visibility is limited. During power outages, the rechargeable battery and long runtime provide a dependable source of emergency illumination. And for detail‑oriented tasks — from crafting and inspections to hobby work — the HL350 delivers steady, glare‑controlled light that keeps projects clear and comfortable to work on.