LCD screen parameters: 70-inch TFT Screen ratio: 16: 9 Resolution: 1920 x 1080 Display Area: 1550 * 872 Pixel Pitch: 0.807 * 0.807 Contrast Ratio: 4500: 1 Brightness: 500cd / m2 Response time: 6ms Viewing Angle: Horizontal / Vertical: 178 ° Backlight: LED backlight cabinet: Surface treatment: imported car metal paint, metal light finish screen protector: glass interface: RJ45 network interface power interface voltage: AC220V ± 10% 50Hz ± 1Hz machine power:> 500W Working temperature: 0 ℃ ~ + 35 ℃ Humidity: 40% ~ 80% (relative, non-decompression) Speaker power: 2 * 8 ohm / 10W Andrews host motherboard: A20 memory clocked 1.0-1.5GHZ: 1GB built-in storage: NAND FLASH 4G (scalable 64G) Operating System: Android 4.2.2 Features: supports portrait and landscape screen layout, each playing area can be combined, can be arranged hierarchically regional free split screen can be a combination of images, audio, video, edit pages, clock, date, subtitles, mixed material may be different programming to the broadcast table, support programs and broadcast table preview support the timer switch settings, you can set up multi-timed daily, weekly, and daily, weekly. real-time monitoring Player playback screen to different users can set different operating authority, to ensure the safety of the use of distributed broadcast management, support for remote or local control, within the purview of the display to edit, modify, and distribute support end Android phones were on Play single-end publishing programs, playlists and other functions supported formats Video formats supported:. MPG, AVI, MPEG, RMVB, MOV ... image formats are supported: BMP, JPG, PNG, GIF, SWF ... Audio formats supported: DTS / AC3, MPEG1, MPEG2, MP3, WMA ... Office document support: PPT, Word, Excel ... network interfaces and protocols: Network Interface: Wired 10 / 100M (standard), wifi, 3G (WCDMA, TD- SCDMA, CDMA2000) (Optional) Network Protocol: TCP IP / PPPOE / ICMP / DHCP / DNS / FTP / HTTP