Description by Material classification
Gas Vehicle license plate Light
Gas Car license plate light, that is, the use of gas, such as halogen, common gas car license plate lamp has w5w, there are c5w, h5w, but w5w more. Gas Vehicle license plate light, mature technology, low price, but will produce radiation, containing mercury, the shell is made of glass, easily broken, resulting in pollution of the environment.
LED Car license plate light
LED car license plate light, that is, the use of the material is led. Led by the car license plate lamp, no radiation, no pollution, long service life, the theory reached 50,000 hours, that is, in the car scrap period without changing the bulb. However, the price of LED car license plate is more expensive, so the popularization of its use has formed a certain impact. In developed countries, there has been a lot of use of LED car license plate lights, in the domestic, still relatively small.
Description by base
C5W, the power is 5W, the bulb diameter is ten. 5mm, the total length is a master. 0mm, the lamp is said to be SV 8.5, made of light bulbs can be called a double pointed bulb or two-end light bulbs, made of car license plate light can also be called a double pointed car license light.
W5W, the power is 5W, the bulb diameter is ten. 29mm, the total length is a. 8mm, the lamp cap is expressed as W2.1x9.5d. The w5w can be called a straight or flat insert, a bulb made of a wedge-shaped bulb.
H5W, the power is 5W, the bulb diameter is 9.0mm, the total length is a. 0mm, the lamp cap is expressed as BA 9s. Made of bulbs can be called spherical bulbs.