Checked todayStreamlight
MicroStream USB 66608
250 lmIPX4
E09R E09R
A rechargeable keychain flashlight that's small enough to forget you're carrying it until you need it. The E09R delivers 600 lumens from a body the size of your thumb, with a 124-meter throw that's surprisingly useful for its size. Built-in USB-C charging eliminates the need for external chargers, and the stainless steel body survives keychain life. At under $35, it's an impulse buy that becomes an everyday essential.
Amazon: 4.5/5 (143 ratings)
Verdict
Strengths
- Convenient direct USB-C charging
- Moonlight mode for dark-adapted vision
Trade-offs
- No pocket clip included
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.54
Star Rating60%4.5 / 567
Review Volume40%143 ratings36
Value25%How much performance you get per dollar.64
Performance Blend55%41
Max Lumens40%600 lm46
High Runtime30%1.1 hr45
Peak Candela30%3,850 cd29
Price45%$34.9592
Performance25%Blend of lumens, candela, throw distance, and high-mode runtime.39
Max Lumens35%600 lm46
Peak Candela25%3,850 cd29
Beam Distance20%124 m34
High Runtime20%1.1 hr45
Durability15%IP waterproof rating and impact resistance.46 / 10046
Formula v1 · select a profile above · nested rows show what feeds each composite
Performance
Max Lumens600
Sustained Lumens200
Candela3,850
Beam Distance124 m
Beam Patternflood
CRI—
Turbo Stepdown—
Hardware
BatteryBUILTIN
Rechargeusb-c
ReplaceableNo
LEDLuminus SST20
Weight26.0g
Length64.4mm
Head15.6mm
Features
IP RatingIP66
Impact Resist.1.0m
MaterialStainless Steel
StrobeNo
LockoutYes
MemoryYes
Magnetic TailNo
Ready to buy the Fenix E09R?
$34.95
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Common Questions
Is the Fenix E09R waterproof?
Yes, the Fenix E09R has a IP66 waterproof rating, making it suitable for use in rain and wet conditions.
What battery does the Fenix E09R use?
The Fenix E09R uses BUILTIN batteries. It supports direct USB-C charging.
How far can the Fenix E09R throw?
The Fenix E09R has a maximum beam distance of 124 meters (407 feet) with 3,850 candela.
How bright is the Fenix E09R?
The Fenix E09R produces up to 600 lumens on its highest mode.
How much does the Fenix E09R weigh?
The Fenix E09R weighs 26.0g (0.9 oz). It is 64.4mm long.
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