Which is a display screen?
The monitor is an I/O device belonging to the computer, that is, an input and output device. It is a display tool that displays a certain electronic file on the screen through a specific transmission device and then reflects it to the human eye. It can be divided into CRT, LCD, LED and many other types.
Smart Blackboard is an intelligent interactive teaching device that integrates capacitive touch, LCD display, computer host, multimedia video booth and traditional handwriting Blackboard functions in one. It covers touch interaction, Multi-media Equipment teaching and chalk writing, and seamlessly integrates the traditional teaching blackboard with the perceptible Interactive Blackboard. The front of Smart Board In Classroom is displayed as a flat ordinary blackboard composed of three pieces spliced together, on which ordinary chalk can be used to write smoothly. The whole machine has a one-key multimedia function: when the power is turned on, the middle capacitive touch screen displays a picture, which can be touched and interacted, and when it is turned off, the display picture is black, and it is displayed as an ordinary blackboard, and you can write on it. All In One Smartboard turns the traditional teaching blackboard into a perceptible interactive blackboard, realizing an innov ative breakthrough in interactive teaching.
Product Description
| Specification |
| Size | 75inch/1660(H)*934(V)mm |
| Windows | system | Windows 10 |
| CPU | Intel chipset 2nd generation and above Intel Core i3/i5/i7 |
| RAM | 4G DDR3 |
| Memory | 120G SSD |
| Windows OS | Windows 7/10 |
| Android | system | Android 8.0 |
| CPU | Cortex A53*4 1.5GHz |
| RAM | 2/3G |
| Memory | 8/16/32GB |
| Touch Info. | Touch Technology | Capacitive metal touch |
| Touch points | 10 / 20 points |
| Input way | Finger/capacitor pen |
| Touch life times | ＞100,000hrs（Typ) |
| Touch response speed | 8ms |
| Display Panel Info. | Display Type | LED |
| Resolution | 3840*2160 |
| Brightness | 350cd/㎡（Typ) |
| Ratio of display | 16:09 |
| Max. viewing angle | 178°(H)/178D°(V） |
| Contrast ratio | 1200:01:00 |
| Interface Info. | Support front power one-key switch |
| VGA signal input*1，Front TYBE-C*1，HDMI input*3 |
| Shared USB input*3, PC USB input*1 and Android USB input*1 |
| RJ45 input*1 and RJ45 output*1，RS232*1 |
| Front TOUCH USB-B output*1 and TOUCH USB-A output*1 |
| Other Info | Working voltage | 220v |
| Working temperature | 0~45℃ |
| Storage temperature | -25℃~60℃ |
| Working humidity | 5%-90% |
| Power of speaker | 8Ω15W*2 |
| Frame material | Alloy |
| Package | Product certificate, warranty card, laser pointer, microphone |
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