Bought 20 of these headlights to upgrade the bulbs in my RV. I installed 8 of them and already 4 of them failed. All 4 were dimmed and only a few LEDs were on when they went out. With many of them failing after only 20 hours of use I decided to check all 20 bulbs and found 3 more that were dead and never installed. Very disappointing and I hope the buyer will contact me to fix this as the listing says a full 1 year warranty and I had it installed for less than a month. **UPDATE** The seller contacted me immediately after reading my review and worked with me. to an acceptable solution. In short, they gave me a full refund. So I'm updating to 3 stars because they stand by their product warranty but can't justify the 5 stars as the bulbs seem to hit or miss.
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