Interactive Whiteboard: *Combining the large touch screen with display function *Electronic pen instead of mouse to make your presentation to be more perfect *Having a strong smart fast mode of operation *Wireless roaming, one-touch-screen handy *Strong software support for teaching training *can insert a picture painted various rotary function graphics *Can be used for water-based pen to write, without leaving traces. *Application environment applicable to all types of school classrooms, stepped classrooms, large conference room, training room, the Office of the simulated battle, such as interactive presentation platforms Model DS-9078HDSize: 1270*1740*26mm Operation Temperature: -10to 50 Operation Humidity Range:30-80% Weight:30kg board property: Projecting Size 73 inch Projecting Gain:available surface material:PET/flat gloss electric property: Induction Way: electromagnetic induction power input USB power supply or 100-240VAC ,50/60HZ AC Current consumption : =100mA USB power supply, no extra power signal interface USB2.0 Maximum USB cable Length 20 transmission rate:12M/s Use under direct sunlight Scanning speed: starting point 25ms,point of continuity 8ms cursor rate: 180points/second Display resolution: 4096*4096(subject to the resolution of the computer and the projector) supportive projection display rate:4:3