The internal information displays of type P4 SMD red color of radiation with high resolution and compact design. This model has overall dimensions of 615x85x55mm. Like all other electronic LED boards we offer, the basic interface for connection to a computer is USB flash and you can optionally order it with communication via LAN, RF (RADIO), WI-FI, GSM-GPRS or RS232 / 485 / COM. Additionally, you can order a thermometer or humidity sensor. The intuitive interface of the free software with which we complete these LED displays will not bother you, and the many built-in effects for text and graphics make it extremely attractive.