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Streamlight TWIN-TASK® 2L LEDOverview C4 LED technology, with a 50,000 hour lifetime. Three ultra bright white LEDs with 100,000 hour lifetime. Unbreakable polycarbonate lens. 2 modes: C4 LED 2483 candela peak beam intensity, 120 Lumens, 4 hours runtime3 LED 375 candela peak beam intensity, 31 Lumens, 15 hours runtime Two 3 Volt CR123A Lithium batteries. Push button sequences through C4 LED, three ultra bright LEDs, C4 LED, and off. IPX4 rated for water resistant operation. All
Overview
C4® LED technology, with a 50,000 hour lifetime. Three ultra-bright white LEDs with 100,000 hour lifetime. Unbreakable polycarbonate lens. 2 modes:C4 LED – 2483 candela peak beam intensity, 120 Lumens, 4 hours runtime3 LED – 375 candela peak beam intensity, 31 Lumens, 15 hours runtime Two 3 Volt “CR123A” Lithium batteries. Push-button sequences through C4® LED, three ultra-bright LEDs, C4 LED, and off. IPX4 rated for water-resistant operation. All openings O-ring sealed. One meter impact resistance tested. Wrist lanyard. L x W x D: 5.43″ x 1.33″ x .98″ (13.79 x 3.38 x 2.49 cm) 5.44 oz (152 g) Matte BlackShipping Notes
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4.5 ★★★★★
Based on 1613 reviews
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Product Reviews
★★★★★ 5
Just what a gamer needs!
Format: Paperback
Perfect gift for my son!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2015
★★★★★ 2
would have been better as a blog
Format: Paperback
First off, I have read over half of this book, but ultimately decided to put it down because it had a low signal-to-noise ratio. If the second half is filled with magic, I apologize in advance.
What I liked:
* The author is very honest. He does not shy away from discussing his failures (and successes).
* The postmortem on the game "Life of Pixel" was especially good.
* Interviews from various indie studios are sprinkled throughout.
What I did not like:
* A number of pieces of information were already out-of-date. This makes me think that the concepts should have been discussed at a higher level. For example, specifics about game engine costs are discussed. These numbers have changed since E3 of this year. Definitely recheck any information before formulating a plan based on the book's recommendations.
* The indie studio interviews are a wasted opportunity in that they each interview has the same set of questions. It's like a questionnaire was sent out via email and the responses were pasted into the book.
* When discussing commercial options, such as engines or other software packages, blurbs once again appear to be cut-and-pasted (this time verbatim from the package's web site).
* Some of the advice is too broad and too light. For example, when writing about how to create a press release, the author discuss how to write in the active voice. I'm frankly not looking for writing tips in my Indie Game Developer Handbook.
* The book is filled with tons of web links. My paperback copy was not so useful here.
I ultimately left the book with the impression that the information would have been much better in the form of a blog. The author could have really gone in depth with the parts of the book that shined while keeping the surveys of topics in a form that serves them better (i.e. web links on the web).
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Reviewed in the United States on April 28, 2015
★★★★★ 5
Helpful information and Questions to consider
Format: Paperback
As a writer of science fiction and fantasy I had already looked into the physical aspects of the worlds I was creating, but I quickly realized I needed to include society and culture in the worldbuilding. I started a search for information, questionairres, or guidelines to use and found very little that would be helpful to me as a writer. Until I came across this book. It's exactly what I needed. It touches on multiple aspects of beliefs and practices and asks questions to help you think through what you want for your worlds, even if it's mostly backgroud. A very useful tool.
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Reviewed in the United States on May 26, 2024
★★★★★ 3
Great Value for Book
Format: Paperback
Substantially cheaper than Barnes and Noble! Good read. Got alot of ideas! Hint ALWAYS check online for a cheaper price typically i he found books 35 to 50 % cheaper.
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Reviewed in the United States on July 27, 2025
★★★★★ 5
Good book
Format: Hardcover
Well-written and a great read for children who are fans of the animated series.
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Reviewed in the United States on March 24, 2026