Gosh they're good for the price, don't let the plastic body fool you, they put out some serious light, as bright as the state ones. The modes are great, highly visible during the day and insanely bright at night. Just as bright day and night as the ridiculously expensive stuff on police cars and fire engines. Left them running for almost 30 minutes playing with different modes and all, they never felt warm, the tones were a little inconsistent at first but eventually locked in well, I put a medium suction cup to the back and a flat side of the sleeve. upstairs, freeing up enough space to tilt them so the curtains were flush with the windows. The suction cups hold up perfectly, left them for several hours and never fell off. Update: I've had the first two installed for about 2 months, great suction cups have never fallen off, and I only use two suction cups at a time. Because the part of the bracket that holds the top middle cup is tucked under the edge of my blanket so I can get them high out the window, they're still as bright as they were when I got them, the ones in federal signal boxes with Viper S2 are not as good as other brands' stickers, the red viper lights are a little orange compared to others, and the pattern on the vipers is slower, and the patterns are a little different, and one of them is a lot. Slower. It was easy to connect all four headlights together and use one connector for that. I still have no problems with overheating in the light or in the socket. All headlights look good at night, even a match glows at night, but during the day these headlights are still visible, watch my video, and you will also see in one of the photos of the connector I glared from the dashboard from bright sunlight . I shot the video during the brightest part of the day. Others have posted pics or videos of them at night so I don't need that either but very few post pics of any lights during the day but as you can see they are very visible in the sun so it's not a problem at night.
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