Audience Response Systems

Transmission distance > 100 meters
Transmission angle 360 degrees
Power required 2 AAA 1.5 volt
Battery life 1-2 years with ordinary usage
Frequency 2.4Ghz
Display LCD
Dimension of LCD: 25mm * 15mm
Remote keyboard 16Keys
Support Multiple Choice yes

Detail of specs:
1. Dimensions of LCD: 25mm * 15mm
2. 2.4GHz digital RF technology
3. LCD display
4. 4 radios channels
5. 11 Activity modules
6. Support Self-Paced-Response
7. Support Multi-Correct-Options
8. ID Address Programmable
9. Power required: two 1.5 volt batteries
10. Transmission distance: > 100 meters
11. Battery life: > 1 to 2 years for ordinary use
12. High Speed - 100 audience keypads transmission < ONE second (similar products may require 5 seconds or more).
13. Super-Wide-angle signal transmission: 360 degrees angle
14. 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)
15. Support cascade and uplink option
16. Support up to 999 audience keypads (enhanced version)
17. Easy to install, easy to use
18. Plug-in software of MS PowerPoint
19. Multifunctional instructor remote
20. USB port or 232 port connection
21. Third party software supportable