Black Audience Response Systems

Following are the Main Specification of Audience Response Systems :
2.4GHz 2-way digital RF technology.
LCD screen display with right/wrong feedback capability
Up to 100 meter range and 180 audiences within 1second and more than 2000pcs for one host.
USB receiver
360 degree signal transmission
English and Simple Chinese version for choice.
Third part software support such as PowerPoint, easy to install and use.
Question options include: single choice, multiple choice, sequencing, rating scale, yes/no, numeric (including fractions, decimals and mixed expressions), fill blank, voting, quiz and exam..
Powerful statistics function, convenient for teacher currently, general evaluation.
Stability system, compatibility, it is better combine use with blank board.
Be suitable for varies teaching material.
2pcs of 1.5V batteries
Battery life more than 2 years.
Benefits for school:
Plug in PPT software, easy to install and operate, get rid of heavy teaching materials.
Interactive education system can improve figure of the school.
Advanced teaching mode could help schools get more identification of student parents.
No longer to use printed testing materials.
It is more convenient to record every studenta s study conditions.
Easy and effect to statistic hardness of every question for long time statistics.