The first light is itself bright and you have 23 combinations of flashing patterns to choose from, most of them in 3 of slow, medium and fast. The 2nd suction cup mounts are good they haven't fallen off and shifted yet. But the mounts could be better used at 90 degree angles, they fit the body and don't count for the LED lens. The way I installed it is in the back of my Chevy Silverado window behind the two headrests with cup intake from the bottom instead of the top and they hold. Good light for the price is visible at the track. You will also need a mount for the LED lens.
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