Features: First, the use of environmentally friendly technology, better stability, suitable for working in harsh environments II, a professional-grade industrial LCD screen, video images clearer, more natural, delicate, three more visual impact, stylish, elegant using ultra-light design, easy to use, beautiful, optional metal or plastic shell casing four, 55-inch LCD advertising machine has an automatic adjustment function, enhanced image layering five, with automatic elimination of blur function, protect the LCD screen long-term use six, high resolution, high contrast, high brightness, which greatly improves image layering, better performance details of seven 55-inch LCD advertising machine long life, 7 * 24 hours a day, up to 60,000 hours . 55-inch LCD advertising network parameters: LCD Screen: 55 inch TFT Screen ratio: 16: 9 Resolution: 1920 x 1080 Display Area: 1210 * 680 Pixel Pitch: 0.21 * 0.63 Contrast Ratio: 3500: 1 Brightness: 450cd / 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:> 350W Operating temperature: 0 ℃ ~ + 35 ℃ Humidity: 40% ~ 80% (relative, non-decompression) Speaker power: 2 * 8 ohm / 10W A20 Andrews host motherboard memory clocked 1.0-1.5GHZ : 1GB internal storage: NAND FLASH 4G (scalable 64G) Operating System: Android 4.2.2 Product Features: ★ Support horizontal screen vertical screen playback, support for 180-degree rotation function automatically boot loop ★ ★ ★ support breakpoint memory advertising spots features ★ 55 inch LCD advertising machine support timer switch function ★ Supports large hanging BMP angle icon display ★ Supports HDMI \ VGA \ AV input function (optional) ★ support long flowing subtitle display (requires optional special transparent background subtitles) ★ support files are copied directly on the machine and removed features, support for USB file update function ★ automatically generates a log file for the record player running water feature (easy to advertisers query record) without any manual operation ★ time-volume, different time periods, ★ You can set different volume up to 1080P (resolution of 1920 x 1080) progressive scan and interlaced HD display HD display (ie, 1080I, with a resolution of 1920 * 1080) ★ support USB playback, hot swappable, content updates ★ convenient support for audio and video formats: MPG, MPG-1, MPG-2, MPG-4, AVI, MP4, DIV, TS, TRP, MKV, MOV, WMV, RM, RMVB, etc. ★ play modes: single repeat play folder looping, looping ★ overall picture playback: rotate, zoom, pan, slide show, background music ★ audio mode: left channel, right channel, stereo ★ OSD multi-language: Support Chinese, English and other ★ Language Support Chinese, English water marquee. Subtitles ★ ★ with calendar function keys can be accessed by multiple panels ★ high brightness, sharpness is good quality ★ Support USB direct applications program updates and upgrades hotels, commercial offices, exhibition, entertainment and leisure venues; subway station, train stations, airports. Supermarkets, chain stores, specialty stores, convenience stores, sales counters and other occasions businesses: shopping malls, stores, chain stores, supermarkets, hotels, restaurants, travel agencies, pharmacies and other financial institutions: banks, securities, funds, insurance companies, pawn shops, etc; public utilities: telecommunications, post offices, hospitals, schools and so on; public places: subways, airports, railway stations, gas stations, toll stations, bookstores, parks, exhibition halls, stadiums, museums, convention centers, ticket sales Agent fixed talent market, lottery center; Properties: apartments, villas, offices, commercial buildings, model room, sales offices, etc; entertainment: cinema, gym, resorts, clubs, foot room, bar, cafe, cafes , beauty salons, golf courses.