Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week
These are obviously better than the version that only projects light forward. They work great for front sidelights (aka parking lights or city lights) at the side of your high beam projector housing. They emit a cool white light that aids in daytime visibility when you don't yet have (road legal) daylight running lights, and their narrow beam is much better visible at night when your car is parked at the side of a dark road. Visibility is enhanced compared to the standard incandescent W5W bulb, but at 3+1=4W, there are nearly no energy savings compared to the original 5W incandescent bulb.
Definitely not useable as turning signal bulbs. DX and other shops sometimes don't understand that white LEDs emit light in a much narrower band of wavelenghts, and that therefore placing them behind a yellow, orange or red plastic filter will inevitably also filter out much of the light intensity. Use amber/yellow/orange LEDs for turning signal bulbs, red LEDs for stop signals, and white LEDs when colourless lighting or signalling is required. The cheaper, more energy-efficient SKU 58437 is much brighter, but only radiates light to one side. Some of these die after one month of use: we'll see how lucky I am this time.
Great for sidelights, but there is better. Not to be used as advertised: DX should change the title/description.
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