CS-W55-SG / NG product specifications BSDM16812ADP play board SD card storage devices, USB screen size 55inch screen brand SAMSANG / LG / AUO screen ratio of 16: 9 Brightness 400cd / m2 Viewing Angle 178 ° * 178 ° Contrast 5000: 1 Display size 1209 * 680mm 6ms response time screen resolution of 1920 * 1080 image formats JPEG, BMP, GIF, PNG audio formats MP3, WAV, WMA video formats MP4, AVI, DIVX, XVID, VOB, DAT, MPG, MPEG, RM, RMVB, MKV, MOV, HDMOV, M4V, operating voltage AC90-240 (50-60HZ) Operating temperature Storage temperature 0 ° -50 ° -20 ° -60 ° Rated power 270W built-in speaker 5W8Ω machine size 1306 * 778 * 53mm Package Size 1435 * 200 * 935mm Machine weight 50.24KG Package weight 53.6KG