White Hammer H7

These are OSRAM lamps, but through a subsidiary under another name sold (Aldi principle)!
The price is of course the hammer, the enormous increase in the light intensity of. Much more illuminate the road and the roadside without blinding oncoming traffic. The technical principle of this lamp provides but for a large heat generation, which can hurt a small headlight housing !!! Due to the enormous heat of the clear glass bulb is also quite fast gray to black and is to 6,000 kilometers traveled at night the ghost and blows. When removing the lamp White hammer, you watch a strong deformation of the black glass bulb !!!
The durability of H7 lamps with increased luminosity is generally only half the lifetime of a normal H7 lamp, it also have the manufacturer indicate the packaging. In various test reports can also learn which cut luminous H7 lamps best. In Ergibnis for places that looks like this: 1. Philips NightGuide 45, - Euro 2. Philips Xtreme Power 80% 33, - Euro 3. Philips Premium 30% 10 Euro 4. Osram Light @ Day 10, - Euro. Tested this were to luminosity, heat generation and durability. The price was taken into consideration when testing NOT. But also for the lamps under test applies a shorter service life than a standard H7 lamp.