Checked todayKlarus
MicroStream 66318
Original 45-lumen AAA pocket EDC penlight with anti-roll head and pocket clip. With over 12,000 Amazon ratings at 4.7 stars, the MicroStream is one of the longest-running best-selling EDC pocket flashlights — a reliable backup, inspection, and gear-bag pick.
Amazon: 4.7/5 (12,484 ratings)
Verdict
Strengths
- Outstanding performance-per-dollar value
Trade-offs
- No lockout mode to prevent accidental activation
- No pocket clip included
- No built-in charging — external charger required
Score Breakdown
Our algorithm scores every flashlight across six profiles. Select a profile to see which metrics drive the result. How we score →
Overall score
Buyer trust, value, raw performance, and build quality.
Amazon Trust35%Buyer social proof from Amazon — 60% star rating + 40% review volume. High stars with few reviews score lower than solid ratings with lots of buyers.88
Star Rating60%4.7 / 580
Review Volume40%12,484 ratings100
Value25%How much performance you get per dollar.83
Performance Blend55%71
High Runtime30%2.3 hr71
Price45%$18.2699
Performance25%Blend of lumens, candela, throw distance, and high-mode runtime.71
High Runtime20%2.3 hr71
Durability15%IP waterproof rating and impact resistance.36 / 10036
Formula v1 · select a profile above · nested rows show what feeds each composite
Performance
Max Lumens45
Sustained Lumens45
Candela—
Beam Distance— m
Beam Patternflood
CRI—
Turbo Stepdown—s
Hardware
BatteryAAA
Rechargenone
ReplaceableYes
LED—
Weight30.0g
Length89.0mm
Head15.0mm
Features
IP RatingIPX4
Impact Resist.1.0m
MaterialAluminum
StrobeNo
LockoutNo
MemoryNo
Magnetic TailNo
Ready to buy the Streamlight MicroStream?
$18.26
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Common Questions
Is the Streamlight MicroStream waterproof?
Yes, the Streamlight MicroStream has a IPX4 waterproof rating, making it suitable for use in rain and wet conditions.
What battery does the Streamlight MicroStream use?
The Streamlight MicroStream uses AAA batteries.
How bright is the Streamlight MicroStream?
The Streamlight MicroStream produces up to 45 lumens on its highest mode.
How much does the Streamlight MicroStream weigh?
The Streamlight MicroStream weighs 30.0g (1.1 oz). It is 89.0mm long.
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