Huahai P16 led open closed sign 1)Usage:Outdoor 2)Pixels:16mm 3)Lfespan:10,000 hours 4)Certification:CE,FCC,RoHS Huahai P16 led open closed signFeatures:1) Combining several global leading display board control technologies, such as grey level code technology, brightness control technology, and nonlinearly rectifying technology2) Modularization, high resolution and high contrast design, vivid ...