... 3) High brightness 4)Good after-sale service Led Moving Sign Display Communication: RS232/RS485 com port, PC- ... so on Outdoor LED Moving SignDetailed Product DescriptionLED Signs 1.Pixels: 4.75mm, 7.62mm, 10mm, 15.24mm ... . Pixel pitch: 4.75mm, 6mm, 7.62mm, 8mm, 10mm, 15.24mm, 20mm, P22mm ect. 2. Display Color: ... Monochrome or tri-color 3. Led color: Red, Amber, Blue, Red ect. 4. ...