Overview of the Streamlight MicroStream® USB Pocket Light
The Streamlight MicroStream® USB Pocket Flashlight is a compact rechargeable LED light offered under MPNs 66601, 66602, 66603, 66604, 66605, 66606, 66608, and 66609. Its 3.87-inch, 1.2-ounce profile fits in a pocket while the machined aluminum housing and polycarbonate lens support everyday professional use. Select high output for a 250-lumen beam reaching 68 meters, or use low output for 50 lumens and longer runtime. A tail switch supports momentary or constant activation, with a quick double tap changing modes. The included lithium-ion battery charges inside the light in about four hours through a protected micro-USB port. A red indicator shows charging and turns green when charging is complete. The removable pocket clip also attaches to a hat brim for hands-free illumination. IPX4 water resistance and 1-meter impact testing make this small light suitable for patrol inspections, security work, automotive tasks, equipment checks, and everyday carry.
Key Features
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Two output modes: High produces 250 lumens and low produces 50 lumens.
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Useful beam reach: High reaches 68 meters, while low reaches 31 meters.
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In-product charging: Slide the metal head sleeve forward to access the micro-USB port.
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Charge status: The indicator glows red while charging and green when fully charged.
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Flexible switching: The tail switch supports momentary or constant operation.
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Hands-free option: The removable pocket clip also attaches to a hat brim.
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Durable housing: Machined aluminum construction pairs with a scratch-resistant polycarbonate lens.
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Tested protection: The light is IPX4 water-resistant and impact-tested to 1 meter.
Specifications
| Specification |
Details |
| High output |
250 lumens; 1,150 candela; 68-meter beam; 1.5-hour runtime |
| Low output |
50 lumens; 250 candela; 31-meter beam; 3.5-hour runtime |
| Battery |
One 350 mAh Streamlight lithium-ion cell, included |
| Charging |
In-product micro-USB charging; approximately 4 hours |
| Length |
3.87 inches (9.83 cm) |
| Body diameter |
0.61 inch (15.6 mm) |
| Weight |
1.2 ounces (34.1 g) with battery |
| Housing |
Machined aluminum alloy with Type II MIL-Spec anodized finish |
| Lens |
Polycarbonate |
| Water resistance |
IPX4 |
| Impact resistance |
Tested to 1 meter |
| Country of origin |
China |
| Variant |
Identifiers |
| Black / Clam |
MPN 66601; SKU STRE-66601; UPC 080926666016 |
| Black / Box |
MPN 66604; SKU STRE-66604; UPC 080926666047 |
| Blue / Clam |
MPN 66603; SKU STRE-66603; UPC 080926666030 |
| Blue / Box |
MPN 66606; SKU STRE-66606; UPC 080926666061 |
| Coyote / Clam |
MPN 66608; SKU STRE-66608; UPC 080926666085 |
| Coyote / Box |
MPN 66609; SKU STRE-66609; UPC 080926666092 |
| Red / Clam |
MPN 66602; SKU STRE-66602; UPC 080926666023 |
| Red / Box |
MPN 66605; SKU STRE-66605; UPC 080926666054 |
Compatibility
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Charging: Use a micro-USB cable and a compatible USB power source.
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Replacement battery: Streamlight operating instructions specify rechargeable battery 66607.
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Carry: The removable clip attaches to a pocket edge or compatible hat brim.
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Use: This model is designed as a handheld pocket light.
Intended Users
The MicroStream USB suits law-enforcement officers, security professionals, industrial workers, automotive technicians, outdoor users, and anyone who wants a compact everyday-carry light for close inspections or routine illumination.
What's Included
- One Streamlight MicroStream USB pocket flashlight in the selected color and packaging style
- One 350 mAh Streamlight lithium-ion rechargeable battery
- One USB charging cord
- One high-strength lanyard
USB/AC adapters are optional and sold separately.
Available at WCUniforms
Shop this Streamlight pocket flashlight through WCUniforms, a San Diego-based specialty retailer serving public-safety professionals since 2013. Browse more handheld lights or explore the complete lights collection. In-stock products normally ship within 48 business hours.
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