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Here are some photos of the Whelen TIR3. The unit contains 3 very bright LEDS. It has 5 flash patterns and steady. The first picture kinda shows how I mounted it on the back of my rack. The second is taken from about 20 feet behind the bike, with an LD1000 for comparison. The third is the beam spread, I positioned the bike 15 ft from my garage door with a garbage can, with a yard stick in front for a size comparison.
For these pictures I used 8 AA batteries for the TIR3, and 2 fresh AA in the LD1000.
I've actually been using a 9v to drive the Whelen, it's not quite as bright but I'm curious how long it would last. So far 12 hrs.
