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Philips Automotive brand NIGHT GUIDE automotive Low and High beam headlamp and foglamp. 12972/H7 delivers specific colors into 3 zones. WHITE (center) for outstanding forward illumination. BLUE (right) enhances readability of signs and improves vision & reaction time. YELLOW (left) improves safety by reducing glare for oncoming traffic.
- Match number 12972 with your current lamp to get an exact match
A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
A measure of "electrical pressure" between two points. The voltage specification of an incandescent lamp is the electrical "pressure" required to drive it at its designed point. The "voltage" of a ballast (e.g. 120 V) refers to the line voltage coming from the power source and is connected to the ballast.
The end (or ends) of the lamp that fits into the socket.
The technology implemented by the bulb, e.g. incandescent, halogen, LED
I replaced Sylvania Silverstars with these bulbs. The light is bright and appears a bit whiter. The 3 "color zones" are not really discernible while driving, and they are very subtle when viewing the car from head-on. Overall, it's a decent headlamp, but I think the "color zones" are a bit of a gimmick. Next time, I'll try something different.
PHILIPS NIGHT GUIDE 12972NG 3-in-1 Color Halogen Low and High Beam Headlamp, Fog Light –Maximum Safety and Performance