... proof, dust-proof, fog-proof) Specifications1)Smart modular LED displays. 2)Smart all-weather protection (Water-proof, dust- ... Water-proof, dust-proof, fog-proof) Smart front-serviceable design Smart matrix ventilation Smart case design(rust-proof, ventless, lightweight, ... 110V Communication Rs232, TCP/IP, WIFI Control Software Smart LED Manager Graphic Capability Text, Graphics, GIF Service Access ...