Interactive Flat Panel Diplay Size : 75 inch Screen scale : 16:09 Display dot pitch : 1650.24(H)*928(V) 75″”diagonal Resolving power : 3840*2160 Brightness : 400 cd/㎡ Horizontal scan rate : 30KHz-80KHz Vertical scan rate : 60-75HZ Android system : CPU : Cortex A53 RAM : 1857 MB Flash : 4 GB SD card : Support MAX 128GB SD card OS : Android Touch technology : Infrared 20 points touch Touch Driver : USB adaptive Touch mode : Finger or any opaque objects Integrated Camera : 5MP Open Pluggable Specification (OPS) : CPU model : Intel Core i5-8400 Memory : 8GB Hard disk : 256GB SSD Graphics card type : Intel HD WI-FI : Dual frequency 802.11AC Wireless WIFI sound card : Integrated sound card OS and Application : Win 10 I/O PORT : RS232, YPBPR IN, 2xHDMI IN, RJ45, Touch usb, VGA IN, VGA AUDIO IN, SD card,2xUSB 2.0, AV IN, RF-IN, SPDIF OUT,EARPHONE, AV OUT,USB Touch, USB 2.0, HDMI Front Input : USB Touch, HDMI, USB PC1, USB PC2, USB PC3 Environment : Voltage range : AC 110～240V-50/60HZ working temperature : 0℃-50℃ Working humidity : 20%-80%RH Storage temperature : -20℃-60℃ Storage humidity : 10%-75%RH Pheripherals: – Wireless Keyboard Mouse Combo – TM Mobile Bracket 55-80inch up to 90kg – TM 2 Way Wireless Multimedia Hub – TM Conference Camera PTZ Optical Zoom 20x – TM Wheel Tripod – TM Wireless Microphone