- No monthly fees and no internet required!
- IR technology with China Patent Certificate, support 280 degree.
- LCD screen display ID number and answer.
- Both computer and Master Controller remote can control them.
- Range support 20meters
- Support 400 audiences/participants.
- Carry case for 20, 30, 50 or 100 keypads remote with foam hole for each keypad remote.
- OEM acceptable
- Support your own software build-in
