The Streamlight 66318 MicroStream delivers reliable illumination in a compact package that fits comfortably in any pocket or gear bag. This tactical-grade flashlight combines professional performance with everyday practicality, making it an essential tool for law enforcement, security professionals, and civilians who demand dependable lighting.
What Makes This Different
The MicroStream stands apart from standard pocket lights through its C4 LED technology, which produces a focused beam with superior runtime compared to incandescent alternatives. The black anodized aluminum construction provides military-grade durability while maintaining a lightweight profile. At just 3.5 inches long, it delivers the same output as flashlights twice its size.
Key Features
- 45-lumen C4 LED produces bright white light with 2-hour runtime
- Black anodized aluminum body resists corrosion and impact damage
- Compact 3.5-inch length fits easily in shirt pockets or duty gear
- Single AAA battery operation for universal compatibility
- Tail cap push-button switch for one-handed operation
- Unbreakable polycarbonate lens withstands drops and impacts
- IPX4 water-resistant rating protects against rain and splashing
Field testing demonstrates consistent performance across temperature extremes and demanding conditions. The focused beam pattern illuminates targets at close to medium range, making it suitable for equipment inspections, evidence documentation, map reading, and general utility tasks. The anodized finish maintains its appearance through repeated holstering and handling.
Technical Specs
- Light Output: 45 lumens
- Runtime: 2.25 hours to 10% output
- Length: 3.5 inches (8.9 cm)
- Weight: 1.04 oz (29.5 g) with battery
- Battery: 1 AAA alkaline (included)
- Body Material: Machined aluminum with Type II anodizing
- Lens: Unbreakable polycarbonate with scratch-resistant coating
- Water Resistance: IPX4 rated
- Operating Temperature: -40°F to 180°F
- Warranty: Limited lifetime
Streamlight's reputation for manufacturing professional-grade lighting equipment ensures this MicroStream will perform when needed most. The combination of proven LED technology, robust construction, and compact design makes it a practical choice for professionals and civilians alike.