led electronic message screen -Classify in color: single color, double color -CE,ISO9001,ISO14001 -AC220V -Waterproof:IP65 Led Electronic Message ScreenType: Outdoor Two color ... and size can be adjusted, and multi-windowcan be open;3. Framing, moving, folding, open up, the facture and play of ... compensatetechnology.7. Lower supply power, and easy to installation led electronic message screen