The gate is mainly composed of box, barrier, movement, control module and auxiliary module, and the auxiliary module is essential for the gate to realize various functions. For example, there are pedestrian detection modules responsible for pedestrian...

Firstly, LED products are mainly used in backlight, color screen and indoor lighting. Because backlight is the largest application market of LED in recent years, which drives the rapid growth of LED industry. In the future, the indoor lighting will replace...

According to statistics, since the first half of this year, the proportion of sales of single LCD intelligent projector models of more than 1000 yuan and products of more than 500 lumens has increased significantly, and the core indicators such as brightness...