Features: 1) Low current 2) High output 3) Easy installation 4) Excellent stabilization 5) Long service life 6) New type dot matrix display (suitable for large-scale ad displays) This indoor dot matrix display has excellent and quick heat dissipation. We are able to produce this more versatile dot matrix display with a higher quality display. With a colorful and wider screen, this power saving, durable and solid display makes for an ideal signboard.