Review on 🚗 Serundo Auto DE3175 Led Car Bulb 31mm 1.22in - Pack of 4pcs Blue Festoon Bulbs for Car Map Dome Light and Interior Use by Michael Wehrman

I used these to replace all the old (yellowish) halogen domes on my 2007 Mazda CX-9. (Five in total: 2 map lights, 1 middle row light, 1 third row light, 1 tailgate light). I was concerned they might be too bright, especially in the front position. However, they are absolutely perfect! Slightly brighter than the originals (50% brighter I think) - they won't dazzle you even on pitch black nights and make it easier to read or see small objects at night. They are much cleaner and lighter. The entire interior of the car is now much, much better lit! Not only are they more practical lighting, but they also give our 13 year old car a very modern look. closed until they are out. These LEDs have retained this property. (I wasn't expecting this, but they are.) Physically, these headlights are exactly the same length from end to end as the DE3175 bulbs they replace. While both have small cone-shaped studs, the originals' studs are just a hair shorter and end in a small spike or protrusion at the tips. This allows the lamp to be inserted with its tips into small holes in the clamps of the lamp. All of these LEDs are tipless cones and this design causes the terminals to move about half a millimeter apart. Everything worked fine in my car, no workarounds were needed. Finally, these headlights are polarity sensitive as per the sticker on the box, so don't be surprised. If they don't light up after installation, the ends probably need to be replaced. Overall (at least on the first day) I am very satisfied with these flashlights and am happy to recommend them. Especially at such a low price, which is less than the price of 2 well-known brand LED bulbs in a general store.