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LED light strips are generally divided into flexible LED light strips and LED hard light strips, but generally also include old-fashioned LED light strips connected to circuit boards with wires, such as flat three-wire 4.3W/m, flat four-wire 6.48W/m, Flat five-wire 8.64W/meter light strip, etc. 1. The flexible LED light strip is made of FPC as an assembled circuit board and assembled with SMD LEDs, so that the thickness of the product is only 0.1CM thickness, which does not occupy space; the general specifications are 30cm long, 18 LEDs, 24 LEDs and 50cm 15 LEDs, 24 LEDs, 30 LEDs, etc. There are also 60cm, 80cm, etc., different users have different specifications. And it can be cut at will, and can also be extended at will without affecting the light. The FPC material is soft and can be bent, folded, and rolled at will, and can be moved and stretched freely in three-dimensional space without breaking. It is suitable for use in irregular places and places with small space, and because it can be bent and rolled arbitrarily, it is suitable for any combination of various patterns in advertising decoration. 2. LED hard light strips are assembled with PCB hard boards. LEDs are assembled with SMD LEDs, and they are also assembled with in-line LEDs. Different components are used depending on the needs. The advantage of the hard light bar is that it is easier to fix, and it is more convenient to process and install; the disadvantage is that it cannot be bent at will, and it is not suitable for irregular places. There are 18 LEDs, 24 LEDs, 30 LEDs, 36 LEDs, 40 LEDs and many other specifications for SMD LEDs for hard light bars; 18 LEDs, 24 LEDs, 36 LEDs, 48 ​​LEDs are used for in-line LEDs. And other different specifications, there are front and side, and the side light is also called the Great Wall light bar.