Check the listing for details. Novastar MRV336 Receiving Card for LED Display. Condition: New. Listed at 43.65 USD. General NOVASTAR MRV336 is the 24 Groups data receiving Card of Nova M3 series which is without HUB. Functions Integrated 12 standard HUB75 connectors, without the HUB structure. Support 1/32 scan mode Single card outputs 24-group of RGB data Single card support resolution 256x226 Support configuration file readback Support temperature monitoring Support Ethernet cable communication status detection. Support power supply voltage detection Support high grayscale and high refresh rate! Support pixel by pixel brightness and chromaticity calibration Brightness and chromaticity calibration coefficients for each LED Support pre-store picture setting. Comply with EU RoHs standard. Power requirements Limit voltage 3.0~6.0V Operating voltage 3.3~5.5V Operating current 0.45~0.55(Rated 0.5A) Operating Environment Temperature -4~158℉(-20~70°C) Humidity 10%-90% no-condensing