interactive electronic whiteboard connects with a computer throught a USB port, and use a projector project the content of a com

Function of Projection of board
Projection gain	available
Viewing Angle	170 degree in Horizon, 160 degree in Vertical
Surface Material	high abrasion-resistance, PVC
Electrical performance
Induction way	infrared induction
Power Input	DC5v
Current consumption	=100mA(USB power supply,no extra power)
Signal Interface	USB2.0
USB cable connection can support maximum length	10m
Transmission Speed	12M/s
Anti-light intensity	Use under direct sunline
Scan speed	The first point 25 ms, consecutive points 8 ms
Cursor speed	180 points / sec
Display resolution	800*600 1024*768 1280*1024
Support projection display ratio	4:3/16:9
Accessories	Wall-mounted Annex; Pen, ferule, Software Installation Disc, User Guide, USB Cable
Warranty	3 years
Certificates	CE; FC

short shrow projector ,bracket optional