Review on 💡 Phinlion 3600 Lumens 7443 7440 LED Backup Light Bulb: Super Bright 7441 7444 LED Bulbs for Back Up, Reverse, Turn Signal, Brake, and Tail Lights in Xenon White 6000K by Mike Weaver

Recommend these white LED bulbs with a little 'but'. what the user needs to understand. The single element at the top under the projector lens is very bright - even for a single LED package. I would say that the combination of the CSP 1860 LED element and lens definitely provides more intense illumination of a point of light compared to a tungsten filament bulb just by looking at the top of the bulb. This works particularly well for turn signals and brake lights, which require a high-intensity beam of light to 'penetrate' rain, fog, haze, etc. and get as far in front of and behind the vehicle as possible. But it might not be the best choice for backlighting - you'll need a wide floodlight beam here, which should only reach 20-30ft to the rear. BUT. this is not the end of the story! A well-designed lamp mount has a reflector that surrounds the lamp and collects all 360 degrees of light coming from the light-producing element and redirects it in one direction. To do this, the light-shaping element (be it a tungsten filament or an LED element) must be in the focus of the reflector. If your vehicle came with factory tungsten bulbs, your reflectors may be designed to work best with only that bulb. On my 2004 Acura TSX, the reflectors were very well designed to get the best out of the 7440/7443 tubes. These Phinlion LED bulbs are better than most when it comes to placing the LED elements closer to the socket. but they are not yet of the correct height for the 7440 lamp (and hence focus in the reflector). YMMV (Your mileage may vary). You'll have to try them in your particular car side-by-side with LEDs on one side and standard bulbs on the other to see which work best. The brightest bulb doesn't always draw more attention to the car behind you. So what am I talking about? For example, when I look at my taillights from 50 feet (as if I was in another car behind me), I can see that the reflector is not used as effectively with LED bulbs as it is with the standard 7440/7443 bulbs. However, I felt that the superior brightness of these LED bulbs had enough "attention power" to outweigh their less efficient use of a reflector. Also, the high-intensity projector beam coming out of the top of the lamp should be visible at a greater distance behind me in fog and rain. Because that's the point, isn't it? In a sea of red taillights on a rainy freeway, I want to wake up and tell as many drivers as possible that I'm slowing down or needing to change lanes. With red LED bulbs, remember that red is never as bright as white. Notwithstanding the marketing and general product description that it is "3600 lumens" (actually 1800 lumens per bulb). In a number of products like this, white is the brightest, followed by amber and red below (I think this is due to the phosphorus used to make amber and red). If you want your lights to put out as many lumens as possible, install white bulbs. And here is "However". what comes with it. At high intensity of these lamps, the white LED lamp behind the red lens tends to turn slightly pink. If you want a nice RED, place a red LED behind a red lens - you get a richer red but less bright. The same goes for amber - those super bright whites wash the amber slightly towards yellow. However, since an amber LED still has about 90% lumen output, you can place an amber LED behind a yellow lens and enjoy a richer amber color without noticing the slight difference in lumens. And here's some interesting science. Actually, guys and gals, what I'm using for myself right now: You can stick a yellow LED behind a red lens and it works great! This is a compromise between red or white for a red lens. Yellow LEDs are much brighter than red, but only slightly less bright than white. And when a yellow LED is placed behind a red lens, it prevents the red from fading into pink. So you still get a satisfying reddish color with little loss of light. In the attached photo, the factory lamp is on the left and the red Phinlion LED is on the right. The human eye sees these things much better at night than a camera. As they say, the camera doesn't do it justice. With this in mind, you can see on the left that the reflector is well filled - each facet of the reflector has been precisely aligned to capture the light from the tungsten filament and bounce off the back of the lens. There is a dead halo around the bulb on the right - this is because the light emitting elements of the LED bulb are not in the correct focus of the reflector. In the case of this car, I decided that the significant increase in LED intensity over the standard bulb was enough to offset the reduction in reflector efficiency due to the LED elements not being in proper focus, and decided to keep the LEDs. installed.ps, I installed 4 such Phinlion bulbs and I don't notice any radio interference (am or fm).