Parameter Model LS-Q2-C(HUB75) LS-Q2-C(50PIN) Max.Pixels 384*384(16S),512*192(8S) 384*256(16S),512*128(8S) Memory 4G flash(standard), max.128G SD card Refresh rate Max.16KHZ Grey level 65536 Scan mode Indoor/outdoor, smart scanning setting HUB port 12XHUB75 2X50PIN Communication port LAN/U-Disk/SD card Communication type LAN,WAN ,3G/4G,WIFI Remote management Support cluster release management remotely; support upgrade system remotely Audio port Onboard integrated sound card,with 6W amplifier, the R/L analog audio Video decoding 1080P hardware decoding Video format MOV,AVI,MP4,DVD,ASF,WMV,MKV,RM,RMVB,TS,DAT,MPG,MPEG,VOB Audio format MPEG-1 Layer3,WMA,WMA Pro,AAC,MPEG1/2 Layer 1/2,ADPCM,OGG Vorbis,Dolby Digital AC3,Dolby Digital Plus,RA-COOK,FLAC Animation format JPEG,BMP,GIF,PNG,TIFF Text Support OSD Memory port Provide SD card port,support Max.128G SD card; can use USB2.0 Host to expand U-disk or USB hard-disk Timing play Support Sensor port Support displaying temperature and humidity,auto-adjust brightness and use infrared remote to change program Partition Divide into several areas randomly Software LED MediaPlayer