China 75"86"Nano Touch Blackboard Capacitive Touch Screen Electronic Smart Blackboard LCD Digital Smart Interactive Blackboard for Dustless

Android system features:
Supports simultaneous 10-point touch
Comes with whiteboard writing, image enlargement, reduction, rotation
Support the display of each signal source, through the floating shortcut menu, you can quickly call out commonly used application functions to achieve homepage and other operating functions
The homepage is designed with media courseware, browser, electronic manual, whiteboard teaching, teaching resources, all applications, settings and other operation shortcut menus, which can be added to the floating ball menu according to personal preferences; the shortcut menu is set on the left side of the homepage, which can be set by the user Add application functions yourself
The homepage preview channel can be set to quad screen display
Support child lock application, automatically identify signal source and switch channels
DTV, ATV cable TV viewing function; USB multimedia file playback function (supporting multiple file formats)
Support wireless wifi, wired LAN, can browse web pages and play online videos
Support dual systems to achieve seamless switching between Android and Windows systems
Android system configuration:
Processor: MSD648 Cortex A53 quad-core 1.5GHz
System version: Android 6.0 embedded system
Memory: 2GB DDR3
Storage space: 8GB
External expansion storage: SD card maximum expansion 128G (Fat 32 format)
Android system terminal interface:
Input port (IN): Ypbpr*1; AV*1; VGA*1; PC Audio*1; HDMI*2; 75Ω RF*1
Output port (OUT): SPDIF*1; Earphone*1; AV*1
Data transmission port (IN/OUT): RJ45/LAN*1; Touch USB*1; RS232*1; USB2.0*2; TF Reader*1; WIFI
Front lower port: HDMI (IN)*1; USB3.0*1; USB2.0*2; Touch USB*1Display parameters:
Display size: 86 inches (16:9)
Display type: LED LCD display
Screen display size: 1896 (width) x 1067 (height) mm
Physical resolution: 3840 (H) x 2160 (V) (UHD)
Display color: 8bit, 1.07B
Refresh rate: 60HZ
Brightness: central point 300-350 cd/
Contrast: ≥1200: 1 (Typ.)
Brightness uniformity:>72%
Response time: 8ms
Viewing angle: 178°
Display protection: the main screen is 4mm fully tempered high explosion-proof glass, anti-glare, and the auxiliary board is protected by aluminum honeycomb board
Backlight life: 50000 hoursTouch parameters:
Touch sensing technology: projected capacitive touch technology (10 points)
Writing method: finger, capacitor pen
Positioning accuracy: ≤2mm
Communication interface: USB interface
Number of touches: theoretical unlimited
Scanning speed: 10 ms/frame
Report rate: 100
Driver: driver-free, automatic window recognition and installation, no calibration required
Operating system: support windows7/10, Android, Mac OS, LinuxComplete machine features:
Shell and appearance: aluminum alloy frame corner block design, lower physical button, lower port, lower speaker
Overall dimensions (L*W*D): 4250*1250*130 mm (including wall hanging), the thinnest part is 19mm
Overall power consumption rate: ≤300W (excluding OPS, OPS maximum power support ≤100W)
Standby power: ≤0.5W
Voltage range: AC (100-240) V-50/60HZ
Sound power: 10W /8Ω *2
Net weight: 103.9kg