Voting Conference System

General Specification:

Works with PCs running MS XP, Vista, and Windows 7.Mac and Linux version available on request.
Transmission distance from handset to receiver: 15 meters radius (46 feet)

Power source: AAA (1.5 volt) batteries for readily available low cost power
Power saver controls turn off handsets after 30 minutes of no use to conserve power and extend battery life. Usual battery life in a classroom setting is two years.
System handles up to 100 handsets on one receiver
Receiver connects to standard USB port on a PC
Impact resistant handsets and instructor controllers designed to withstand accidental drops. Positive response buttons (you can feel the switch move when you press the buttons) are protected by a spill resistant cover.
Patent IR technolog
Two-way technology, never jam, never lost
High Speed - 100 audience keypads transmission < ONE second (similar products may require 5 seconds or more).
Super-Wide-angle signal transmission > 280 degrees angle
ID number changeable (compare to the obsolete ID setting mode of similar products), No need to keep a large stock of student remote. (For resellers)
Up to 20 meters transmission and reception distance
Support cascade and uplink option
Support up to 100 audience keypads
Easy to install, easy to use
Plug-in software of MS PowerPoint
Support self-paced answering.
Multifunctional instructor controller
USB port or 232 port connection for choose
Third party software supportable OEM or ODM acceptable