I have tried cheaper bulbs and have been disappointed every time. Either they are short-lived or water penetrates them easily; It's always something. I went with them and was very satisfied. Bright and good choice of flash pattern. They've been on my car for about four months, surviving rain, high Houston humidity and a few car washes. I haven't had any problems with moisture. It was a little tricky to figure out how lightning patterns sync, but I figured it out with a few YouTube videos. This is a good price for what you get. You won't save money by choosing cheap lamps. I learned it the hard way
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