Address:
Chongqing,China
Main Products:
audience response system,audience response system,education equipment,voting system,training equipment
Specification |
|
Dimension(mm) | 139*58*18 |
Weight(g) | 100 |
Key buttons | 21 |
Distance(m) | 100 |
Display screen | LCD |
Response confirmation | Yes |
Communication method | Two-way RF |
Software support | PowerPoint |
Batteries | 2 "AA" |
Changeable Device ID | Yes |
Device ID range | 1~180 |
Scalable Firmware | Yes |
Number | 0~9 |
Character | A~Z |
a~z |
General specification of system
2.4GHz 2-way digital RF technology.
USB receiver
360 degree signal transmission
English and Simple Chinese version for choice.
2pcs of AA batteries
Battery life more than 1 year, four hours a day.