Last Updated on May 27, 2025
Are Streamlight Flashlights Waterproof? Everything You Need to Know
Streamlight is a trusted and well-established brand in the world of portable lighting, known for its tactical and professional-grade flashlights. A key concern among flashlight users, especially those in outdoor, military, and emergency services, is waterproofing. So, a frequent question arises: Are Streamlight flashlights waterproof? The short answer is: some are fully waterproof, while others are water-resistant.
In this detailed guide, we’ll explore what waterproofing means for flashlights, how to read IP ratings, which Streamlight models are waterproof, how to determine waterproof capability, and how waterproofing benefits real-world usage. By the end, you’ll be able to confidently choose a Streamlight flashlight based on your specific needs.
Understanding Waterproof Ratings: What Does “Waterproof” Mean?
In the flashlight industry, waterproofing isn’t just a marketing term—it follows a standardized scale called the Ingress Protection (IP) rating. This rating system defines how well a device is sealed against the intrusion of solids and liquids.
Here’s how to understand the IP scale:
- IPX4 – Protects against splashing water from any direction.
- IPX6 – Withstands heavy sprays of water or rain.
- IPX7 – Can be submerged in water up to 1 meter for 30 minutes.
- IPX8 – Can be submerged deeper than 1 meter, typically for prolonged periods.
If you’re considering a flashlight for wet environments or outdoor use, aim for IPX7 or IPX8 ratings. You can find more details in our Parts of a Flashlight article, which breaks down flashlight construction and durability.
Are Streamlight Flashlights Waterproof by Design?
While Streamlight produces a wide variety of high-performance flashlights, not all of them are waterproof. The company designs specific models to meet the needs of different user groups—from everyday carry and camping to tactical and rescue operations.
For example:
- Entry-level or budget-friendly flashlights may only be water-resistant, capable of withstanding light rain.
- Tactical and professional models, on the other hand, are often fully waterproof, suitable for submersion or intense weather conditions.
Always check the product’s IP rating or specifications before making a purchase. Let’s now explore three Streamlight flashlights that are waterproof and highly reliable.
Top 3 Waterproof Streamlight Flashlight Models
These three flashlights from Streamlight are tested for durability and proven to work well even in harsh and wet environments.
1. Streamlight 69451 TLR RM 2 Tactical Flashlight
The Streamlight 69451 TLR RM 2 is a tactical weapon light designed for law enforcement and security professionals. This compact yet powerful flashlight offers 1,000 lumens and comes with a dedicated mounting system.
- Waterproof Rating: IPX7 (up to 1 meter for 30 minutes)
- Lumens: 1,000 (bright and focused beam)
- Mount Compatibility: Suitable for rifles and tactical setups
- Build Quality: Durable aluminum construction
It’s an excellent choice for tactical operators or emergency responders who might encounter rain, snow, or sudden immersion in water. However, it’s not designed for underwater sports like scuba diving.
Ideal Use Cases: Home defense, law enforcement, tactical patrols.
Want to compare similar tactical options? Visit our Fenix TK16 V2.0 Review for a side-by-side look at high-performance alternatives.
2. Streamlight 67101 Alkaline Battery-Powered LED Flashlight
This is a compact, lightweight flashlight that’s perfect for general use. The Streamlight 67101 delivers 65 lumens and operates on standard AA alkaline batteries.
- Waterproof Rating: IPX7
- Runtime: 2-3 hours depending on usage
- Size: Compact and easily portable
- Material: Polymer body with non-slip grip
Is It Powerful Enough for Military or Hunting Use?
No. With only 65 lumens, it’s best suited for household use, light camping, or as an emergency backup. Tactical users should consider a higher-lumen flashlight like the Streamlight ProTac HL-X instead.
Why You Should Consider It: It’s a budget-friendly, waterproof flashlight that performs well for everyday users.
3. Streamlight ProTac HL 5-X USB (aka 26650 IPX7)
Often referred to as the ProTac HL 5-X USB, this flashlight delivers a blinding 3,500 lumens and is rechargeable via USB. It’s crafted for serious professionals who demand reliability.
- Waterproof Rating: IPX7
- Battery Options: Rechargeable or CR123A
- Beam Distance: Long throw with wide peripheral coverage
- Construction: Machined aircraft aluminum with anodized finish
This model’s power and waterproofing make it perfect for search and rescue, marine navigation, or tactical fieldwork.
Recommendation: This is one of the most powerful waterproof Streamlight models, offering versatility for extreme environments.
How to Identify if Your Flashlight Is Waterproof
To determine if a flashlight is waterproof:
- Check the IP Rating: Look for terms like IPX7 or IPX8 on the packaging, product manual, or website.
- Inspect Seals and Build: Waterproof models typically have O-ring seals, sealed switches, and sturdy waterproof covers.
- Visit the Manufacturer’s Page: Streamlight.com provides specifications and downloadable manuals.
- Don’t Guess—Verify: If you’re unsure, don’t assume. Confirm the product’s capability, especially if you plan to use it in rain or underwater.
For a comparison on how different flashlight brands approach waterproofing, read our SureFire Flashlight Comparison.
Why Waterproof Flashlights Matter: Real-World Benefits
Flashlights with true waterproofing provide peace of mind and safety. Here’s how:
- Reliable Performance in Emergencies: Whether it’s a flood, storm, or power outage, your flashlight will still function.
- Better for Outdoor Adventures: Hunters, hikers, and campers benefit from water-resistant lighting during unexpected weather.
- Durability: Waterproof models resist corrosion and electrical failures caused by moisture.
- Multipurpose Use: Use it on a boat, during fishing trips, or in wet environments without worry.
We recommend exploring our Nitecore P12GT Review if you’re interested in similar rugged flashlights built for outdoor extremes.
Conclusion: Are Streamlight Flashlights Waterproof?
Yes—but only certain models. When buying a Streamlight flashlight, pay close attention to the IP rating and waterproof specifications. Models like:
- Streamlight 69451 TLR RM 2
- Streamlight 67101 Alkaline LED
- ProTac HL 5-X USB
…are excellent waterproof options for a variety of needs, from tactical to everyday use.
Always choose a flashlight that matches your environment. A waterproof flashlight can be a critical tool, whether you’re dealing with rainstorms, boat emergencies, or low-visibility rescue operations.
For more recommendations and expert tips, don’t forget to explore:
Stay prepared. Stay illuminated. Streamlight has your back.