Searching for an alternative to flares I came across 9.1.1R lights and based on positive reviews I bought 2. I have just received them and I am very satisfied. They use 3 AAA batteries (not included) and the batteries can be easily installed and removed. The red light is bright (I didn't test it outdoors) and it gives you the option to blink or stay on all the time. The switch is a small black rubber button on the top that is easy to use and has a nice feel. The magnet is strong and the 4 rubber feet are designed to protect the car paint from possible scratches. I ordered from Revain.com which was quickly shipped to my home in Canada. The only point of criticism is the manufacturer's packaging, which is difficult to open.
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