Where there is a projector there is electronic interactive whiteboard,
Why many customers choose Acromeet portable interactive whiteboards for projector:

Calibration
*Automatic coordinate adaptation, after the first calibration, when change to connect another computer, no need recalibration.
Functions
The products are mainly used in teaching, meeting, presentation etc and can turn any large screen into an interactive whiteboard or touching screen.
Software functions
Featured with 'realtime annotation, free writing, instant saving, spiritual interactivity', it can create more opportunities for improvisational, illuminating, creative discussion and interaction in the classroom. Lecturers can operate computer on the projection screen directly by pointer E-Pen/stylus E-Pen (optional) and express their thoughts by annotation and drawing functions at any time, Larger Size

*Support projection screen of any size up to an amazing 150'
Write tool
*We choose "No battery e-pen" you just need connect the stylus e-pen to the comptuer for 60seconds to get the power, then you can use it for 2 hours, this kind of pen is most advanced than any other interactive whiteboard's supplier.
*Extendable pointer E-Pen from 36cm up to 1.2m, meet all kinds of demands of teaching
Hi-resolution, superior stability
*Resolution ratio up to 5000× 4000, no phenomenon of rag and jag in writing.
Response time
*Ultra fast response speed, response Time is Less than 25ms, no delayed perception.
Interface
*Using mini USB port, users can extend the reticle by themselves, reliable communication distance can be 15 meters
Used on
*They could realize the interactive whiteboard function on any surface such as normal screen, LCD TV and CRT TV in any size as well as combine perfectly with LCD and CRT TV.
*Normal whiteboard, wall, soft screen, rear projection TV, flog screen and so on...And they can be compatible with any kinds of projector.
How to use our device
*Our device+projector+computer+normal whiteboard=Interactive whiteboard
*Our device+Projector+computer+ wall= Interactive whiteboard
*Our device+computer+ Any LCD TV= Interactive whiteboard
*Our device+Projector+computer+ soft projection screen= Interactive whiteboard
Specification
Whiteboard Type: Interactive electronic whiteboard
Operating Principle: Infrared image processing position tracking
Active Area: Max 150inch
Applied To: Any materials, including soft screen and white wall
Aspect Ratio: 4: 3, 16: 9

Communication Interface: Connected to PC by USB
Communication Distance: 5m by the USB standard communication distance
Power Consumption: Less than 1W
Response Time: Less than 25ms (it depends on the computer)
Pointer/stylus E-pen Light Emitted: Infrared
Pointer/stylus E-pen Buttons: 1 button
Pointer E-pen Length: 36cm extendable up to 65cm
Stylus E-pen Trigger Mode: High-sensitivity, omni-directional trigger
Stylus E-pen Trigger Pressure: Less than 30g
Battery Required: Pointer e-pen AA battery, stylus e-pen AAA battery
OS Required: Windows 2000/ XP/Vista/7, MAC OS X.