... The list of available Models of our LED display /screen/panel/signPH4mm,4.75 mm,6 mm,7.62 mm,8 mm,10 mm,12 mm,12.5 mm,14 mm ... ,16 mm,18 mm,20 mm,25 mm,31.25 mm,37.5 mm,40 mm,100 mm ... installation and special software to ensure the user operating LED display screen system. ... two years warranty.TypeHM-IS-050 Parameter PixelPixel pitch(mm)7.62Pixel Density (dot ...