... , Waterproof, IP656, 3pcs smd 5050, good brightness.7, With SD card controller, free software is offered8, With PC connected controller and ... VoltageDC12VPower0.72WProtocoldmx or ws2801Lifespan50000 hoursProtectionIP65 30mm pixel wall, 30mm 2D led screen, dmx or ws2801 pixel