Osram COOL BLUE INTENSE H4, 100% more brightness, up to 5,000K, halogen headlight lamp, LED look, duo box (2 lamps) 64193CBN-HCB

The leds came packed good and were new and original. They had good yellow light with a bit of white hue. They were also very bright. Unfortunately they failed within 2 months. The left low beam stopped working. My work requires me to drive about 100 miles at night. I wanted something that would not fail and therefore went for Osram. I did contact the seller about warranty and he was very kind and returned the full amount and told me to keep both the leds. Maybe I just got a bad unit.

Very good bulbs a lot brighter than the standard ones

These are a great improvement over standard bulbs on my motorcycle. They are whiter, and brighter than standard, however they are still have a yellow tinge. Excellent value for money on Amazon vs high street. Overall happy with them and a pack of two gives me a spare ready to hand. One star lost due to being less white than I had hoped, given how blue the actual bulb lens is.

I like good light for night driving, and I've had both the 200% brighter bulbs and the standard bulbs, and things in the middle too probably - but these are the best of both worlds. The 200% were maybe marginally brighter perhaps, but lasted 6 months - which isn't very economical, and the standard bulbs, regardless of brand are always too dim and sad for me. I think although these aren't quite as bright as the 200% brighter bulbs, the colour temp 5000k really helps substitute for that, and visibility there fore is just as good as more expensive bulbs. They will also last a while longer, making them excellent value for money at £15 something - Yes if you're looking for good road illumination and a bulb that lasts longer - this is a good choice. I'm very happy.

Working very well

Very limitless lifespan. Purchased November 2024. March 2025 I have to replace them again. The bulb blown during driving night.

Good buy

I already use these bulbs in my one car, so ordered these for the new one.I like the balance of extra light output and cleaner, white light. This also means that the longevity is good. My original bulbs have lasted for ages and I expect these to also do so.Being H4, installation is simple. They simply fit into the existing bulb holders on your headlights.These are also good value for the quality of them.