Simple and compact, the Streamlight MicroStream is one of the smallest LED flashlights using common batteries. This latest 2011 version of the MicroStream features a high-performance Cree LED, as well as several improvements over the previous generation such as a new two-way pocket clip. Powered by a single AAA battery, the MicroStream weighs just over one ounce and is capable of putting out 28 lumens for over two hours.
Key Specifications
- Output: 28 lumens
- Runtime: 2h 15min
- Battery: 1 x AAA
- Length: 3.5″
- Diameter: 0.6″
- Weight with Batteries: 1.04 oz.
- Warranty: Limited Lifetime
- MSRP: $28
- Actual Pricing: ~$20
Pricing & Ordering
MSRP for the Streamlight MicroStream is $28, and the light is only available in black.
In The Box
Included in the blister pack are: Streamlight MicroStream, 1 x AAA alkaline battery (installed), break-away lanyard, and spare switch cover.
Batteries
The MicroStream uses one AAA battery.
When changing batteries, care must be taken because the pocket clip is attached to, and turns with, the tail cap.
The Light
Head
The head, which cannot be removed from the body, features a polycarbonate window and a smooth reflector.
Body
The light is type-II anodized aluminum inside and out. Grip is provided by the pocket clip, which also prevents the light from rolling.
Tail Cap
On the tail cap is a removable two-way pocket clip and a forward clicky switch covered with black rubber.
Due to customer issues with the switch cover wearing out, Streamlight has made the switch cover thicker and also user-replaceable (spare cover is included). Clicking the switch takes more force than the older, non-C4 version MicroStream.
Performance
The MicroStream is rated for 28 lumens, and uses the Cree XP-C LED. As expected for a light with this LED, the hotspot isn’t tightly focused or well defined like a tactical light, but overall the beam is smooth and clean.
Runtime
If you haven’t read our article about runtime graphs and the ANSI FL1 Standard, please click here.
The ANSI FL-1 standardized output and runtime specifications were made using alkaline batteries, which are included with the lights, and NiMH rechargeable and Energizer Lithium primary AA’s may also be used for increased brightness and more consistent output. The MicroStream has a long, useful runtime that, in our test, exceeded ANSI specifications by over an hour.
Conclusion
We’ve said this before, but we’ll say it again: the best flashlight is not going to be the brightest one you have at home, but the one that you carry everywhere with you. We’re not particularly fond of small twist-operated lights as they can be difficult to turn on, so the tail switch is a big plus for the MicroStream.
With the $20 price point and the holidays just around the corner, the Streamlight MicroStream will be a great gift for that outdoor enthusiast or gadget lover in your family!
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I have two flashlights. One does not work. I have switched batteries and switched on and off caps and my conclusion is that something is wrong with the body. Can u tell me how to remove bulb. Thank you George
Thank you
George,
There is no bulb that can be removed. Since there is a Lifetime Warranty, call Streamlight Customer Service at 800-523-7488 and they will take care of it.
Robin
George,
Is it safe to use Sanyo eneloop rechargeable batteries in my new C4 Microstream ?
Piney
Piney,
Yes, you can use rechargeable NiMH without issue.
Robin
I’ve lost both switch covers how do I get replacements?
Paul,
Try contacting Streamlight, you can find their contact info here:
http://www.streamlight.com/en-us/about/contact.html
Robin
I’m actually very disappointed in the new style of pocket clip. It likes to snag on clothing, bags, and especially upholstery. I carried my first MicroStream for years without issue, but I’ve had to retire three of the new models because the clips have caught themselves and gotten irreparably warped. Great for lanyards and toolboxes, NOT suited for pocket carry. RIP my favorite EDC light. 🙁
I have this light and what do you do to have the light stay on? This thing is hard to turn on. IDK. The instructions say nothing how to work this thing. Why??? Contact me.
Terry,
The tail cap has a push button switch. If it is hard to activate, it could be defective. Try calling Streamlight and see if they can send you a replacement tail cap.
Robin