LED Receiving Card Characteristics of MRV300-1 NOVASTAR LED Controller of LED Display;Single card outputs 16-group of RGBR 'data, can be extended to 32-group; Single card outputs 20-group of RGB data; Single card outputs 64-group of serial data, can be expanded to 128 -group; Single card support resolution 256x128,200x200;Support configuration file readback; Support program copy; Support temperature monitoring. Support Ethernet cable communication status detection; Support power supply voltage detection; Support high gray scale and high refresh rate of most type of drive IC; Support low brightness and high gray scale mode of common drive IC or drive IC with current gain; 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; Comply with EU CE-EMC standard; Color: Green Material: plastic Package Contents: 1*MRV300-1 Receiving Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.