avv天堂网,97高清国语自产拍,中文字幕欧美日韩,成人看片在线,av色综合网,精品无人区麻豆乱码久久久,伊人av导航

1、 Suitable for their own models, according to their own visual distance to choose the most appropriate resolution. (the higher the density, the higher the definition and the farther the visual distance)
Outdoor: the resolution of P10 is 10000 points per square meter, and its visible distance is 10-300m
The resolution of p12 is 6944 points per square meter, and its visible distance is 12-320m
The resolution of p16 is 3906 points per square meter, and its visible distance is 16-400m
The resolution of P20 is 2500 points per square meter, and its visible distance is 20-500m
2、 Attention to raw materials!
For the outdoor full-color display screen, the key is the wick, which is divided into three colors (red, green, blue)
The red wicks are 9MIL and 12mil respectively (full color display screen must use 12mil to achieve its quality assurance and stability)
Green and blue wicks are 12mil and 14mil respectively (full color display screen must use 14mil to achieve its quality assurance and stability)
3、 The manufacturer's choice, must choose its regular big company. If Shenzhen Xuanlong technology, it will guarantee itself.