Streamlight Microstream | Water Resistant EDC Light

The Streamlight Microstream is a compact, single AAA alkaline battery-powered flashlight, fitting comfortably in the palm of your hand.
Despite its small size, it delivers a powerful output of 45 lumens, with a beam distance of 41 meters.
It is IPX4-rated for water-resistant operation and can withstand an impact resistance of 1 meter.

Streamlight Microstream Review

Microstream Streamlight Features

Compact and lightweight design, making it easy to carry in a pocket or clip onto a hat brim
Uses C4® LED technology, impervious to shock with a 30,000-hour lifetime
Provides an output of 45 lumens and a beam distance of 41 meters
Has a run time of 2.25 hours
Constructed from machined aluminum alloy with a Type II MIL-Spec black anodized finish for durability and abrasion resistance
Features an unbreakable polycarbonate lens, ensuring lasting use
Equipped with a push-summary tail switch for momentary or constant on operation
Powered by a single AAA alkaline battery
IPX4-rated for water-resistant operation and 1 meter impact resistance tested
Removable pocket/hat clip for convenience
Comes with Streamlights Limited Lifetime Warranty

Whats in the box of the Streamlight Microstream?

Streamlight Microstream Flashlight
One (1) AAA Alkaline Battery
High-Strength “Break Away” Safety Lanyard
Removable Pocket Clip
User Manual

Streamlight Microstream Flashlight Specifications

Product Name: Streamlight Microstream
Part Number: 66318
Light Source: C4® LED technology, impervious to shock with a 30,000 hour lifetime
Light Output: 420 candela peak beam intensity, 41 meter beam distance and 45 lumens measured system output
Run Time: 2.25 hours
Battery: One (1) “AAA” size, Alkaline battery
Weight: 1.10 oz (31.2 grams) with battery
Dimensions: Length: 3.6 in. (91.5 mm), Body Diameter: 0.60 in. (15 mm)
Case Material: Machined aluminum alloy with Type II MIL-Spec black anodized finish
Lens: Unbreakable polycarbonate lens
Switch: Push summary tail switch for momentary or constant on operation
Resilience: IPX4 rated for water-resistant operation, 1 meter impact resistance tested
Additional Features: Removable pocket/hat clip, all openings o-ring sealed
Approvals: Meets applicable European Community Directives
Warranty: Streamlight’s Limited Lifetime Warranty
Available Colors: Black, Red

Streamlight Microstream FAQs

How bright is the Streamlight Micro stream?

The Streamlight Microstream delivers a light output of 45 lumens, with a peak beam intensity of 420 candela. It casts a beam up to 41 meters in distance.

What type of battery does the Streamlight 66318 Microstream Flashlight use?

A single AAA alkaline battery powers the Streamlight 66318 Microstream Flashlight.

How durable is the Stream light Micro stream?

The Streamlight Microstream is designed for durability. It features a machined aluminum alloy case finished with Type II Military Spec anodizing for abrasion resistance. The polycarbonate lens is unbreakable and scratch-resistant, and we test it for impact resistance up to 1 meter.