Headlights are one of the most important elements in the design of any car. And the point here is not only that without light it is difficult, even almost impossible, to move along the roads at night. Lighting equipment has a serious impact on road safety. And the best thing is to keep it in good condition. Today, many car owners are thinking about choosing auto light elements. These are light bulbs. One of the most popular is the H1 lamp. These products are used in low and high beam headlamps.
And it would seem, what difficulties can you face when choosing car lamps? It is enough just to purchase the option that was previously installed on the car. And this is the whole point - earlier halogen light was installed in cars, but today there are already more technologically advanced LED and xenon solutions. Consider the advantages, characteristics and types of existing products on the market.
H1: most popular auto lamp
Today it is one of the most popular in automotive lighting devices. It can often be found in four-headlight systems. Previously, these products were used only for low or high beam. Then came H7 lamps. They were designed for the latest generation of optical equipment. These products have higher technical characteristics. In this regard, the H1 lamp is now used mainly in high-beam devices and in foglights.
How the H1 bulb works
As for the technical side of the issue, products with an H1 base are classified as flanged. They can be characterized by tighter tolerances for the location of the working element - here the spirals are relative to the flange. This allows the bulb to be in focus of the headlamp optic and at the correct distance from the reflective element. Products intended for installation in floodlights or automotive headlight optics are equipped with a compactly coiled spiral for the main beam or a spiral stretched along the optical axis. Such solutions are typical for products with H3 plinths. The H1 type is now actively used in modern cars.
Types of H1 lamps
Modern industry today produces several types of automotive lighting sources. They are divided into four types. So, these are classic products (incandescent) that function according to the principle of an ordinary Ilyich light bulb. 
You can also highlight H1. This is the same filament part of the traditional design. However, the flask is made of refractory quartz glass and, in addition, is filled with an inert gas with the addition of the halogen elements iodine and bromine. This design made it possible to significantly increase the resource and light output. Despite the fact that the market is full of LED and xenon solutions, halogen light is still popular among car enthusiasts due to its consumer qualities and cost. Nowadays LED solutions are very popular. These are solid-state light sources based on semiconductor crystals. The H1 LED bulbs are the latest in automotive technology. These solutions have excellent prospects. They are resistant to shocks and mechanical vibrations. But the minus is the price and the risk of purchasing a low-quality product. Also on the market are previously popular xenon lamps. Here, it is used as a light source. It arises between two electrodes located in a flask filled with an inert gas - xenon.
Halogen light: details
As noted above, this lamp is a flask with an inert gas inside - bromine or iodine vapor. The flask itself is made of special quartz glass. During operation, halogen filaments become very hot, and quartz glass can withstand not only high temperatures, but also the influence of chemicals.
Halogen light: application and characteristics
Such a lamp H1 today is installed mainly in foglights. 
The shape of the bulb is short, flattened at the sides, with a long base. The operating voltage of such light sources is 12 V. The rated power is 55 W. The maximum possible color temperature can reach up to 4000 K. The lamp does not scatter the light beam, but allows you to direct it directly onto the road.
Advantages and disadvantages
The first advantage is a fairly high light output. It is 60% higher than that of incandescent lamps. Halogen light has a yellowish tint. This improves visibility, especially in adverse conditions. High brightness allows the headlamp to effectively illuminate not only the roadway, but also the shoulder. The resource can also be attributed to the pluses. It is higher than that of analogues. The disadvantages include high operating temperatures. Also, a halogen lamp is not economical. It consumes a lot of energy.
Xenon auto lamps
These products have replaced halogen lighting and have become very popular due to their characteristics. They are much better than halogen ones. The basis of such a product is a flask, inside which there is an inert gas - xenon. 
There is no traditional filament here. Light is created as a result of electrical impulses that travel between the electrodes. Such a lamp requires a high-voltage pulse to operate. This is the only way to ignite an electric arc. Therefore, H1 xenon lamps themselves are not used, and they can only work with additional equipment.
Why is a xenon lamp better than a halogen lamp?
The first type of product emits significantly more light than a halogen one. In addition, the amount of energy required to operate is significantly lower. Therefore, the load on the vehicle generator is less. The light that the H1 xenon lamp gives is reminiscent of daylight. Drivers have much better control over the traffic situation. The luminous flux is so powerful and bright that the headlight illuminates not only the roadway itself, but also roadside signs and markings. H1 xenon lamps are classified according to their color temperature. So, white-yellow light corresponds to a temperature of 4300-4500 K. White is 4500-5000 K, white-blue glow - 5500-800 K. Blue - 8000 K - 12000 K. The approximate resource of xenon lamps is 3000 hours, while , as halogen products shine no more than 400. The only disadvantage of xenon is that not every headlight is designed to work with these lamps. For self-installed xenon, the traffic police have introduced penalties and actively punish violators for this type of tuning. 
Therefore, for lovers of bright light, it is better and safer to use H1 LED lamps. Abnormal xenon, installed independently and, most often, in violation of all possible standards, blinds oncoming drivers, which leads to an accident.
LED
These products are the most modern and progressive. 
Many automakers today complete their cars with this kind of light. Even the most expensive models are equipped today. Any car light bulb for cars on LED elements is designed for an operating voltage of 12 V. As for the base, there are a large number of them. For H1 with a power of 55 W, the brightness is 1550 lm. Manufacturers offer LED high beam products. But there is also a lamp H1 "low beam" on sale. Most often these are daytime running lights. So, with a power of at least 12 W, the light flux is about 1000 lm, provided high-quality LEDs. The high beam products use larger LEDs. The power must be at least 20 W, and the luminous flux must be at least 1500 lm. Also one of the conditions is the presence of a radiator. Products are very afraid of overheating. 
And if the LED low beam H1 still somehow deserves positive feedback from the drivers, then the situation with the high beam is worse. At fairly high prices, the result is poor. In bad weather, visibility is poor and there are no particular advantages over a halogen lamp. In addition, you can run into a Chinese counterfeit.
Conclusion
From all this, we can conclude that halogen light is still popular - there is a demand for these lamps. Xenon has many advantages, but it requires additional equipment and professional installation. LED lamps are still "raw". Therefore, the best choice is standard "halogens". They are inexpensive, plus everything, there are products with a white tint of light - "Phillips White". But their price is a little more expensive than usual.
