I have used the Streamlight brand for quite a few years. This is my latest Streamlight model discovery and I used it during the 2011 season. It uses super bright LED's which are almost bomb-proof and never break. I have one for hunting and I keep one in my vehicle. I always choose those that use Lithium batteries, long life, works below zero temps, etc.

Len Backus, Publisher of Long Range Hunting

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The combination of small size and C4® LED output results in one of the brightest tactical personal carry lights for its size.

• Pumps out an astonishing 180 lumens
• Powered by two 3V CR123A lithium batteries (included)
• Features Hi (180 lumens/2.5 Hours) and Low (10 lumens/50 Hours) lighting levels plus a strobe (up to six hours) mode
• IPX7 rated design; waterproof to 1 meter for 30 minutes
• Impact-resistant tempered glass lens
• Includes nylon holster
• Length: 4.68"
• Weight: 2.8 oz.