Audience Remote System - 2.4ghz Digital Rf Technology, Led Status Indicators, 500 Audience Keypads Support, High-speed Transmission And Interactive Teaching Models

Following are the Main Features of Audience Remote Systems :-
2.4GHz digital RF technology
LED status:green and red
4 radios channels
11 Activity modules
Support Self-Paced-response
ID Address Programmable
Power required: two 1.5 volt batteries
Transmission distance: > 100 meters
Transmission angle: > 360 degree
Battery life: > 1 to 2 years for ordinary use
RF or IR, we have both
Two-way, never jam, never lost
High Speed - 100 audience keypads transmission < ONE second (similar products may require 5 seconds or more). Maybe it is the fastest system of this kind.
Wide-angle signal transmission: up than 250 degrees angle (RF 360 degrees angle)
ID number changeable (compare to the obsolete ID setting mode of similar products)
Up to 50 feet transmission and reception distance (RF 328 feet)
Support cascade and uplink option
Support up to 15 receivers (IR,one main, 14 extension; RF no)
Support up to 500 audience keypads
Easy to install, easy to use
Plug-in software of MS PowerPoint
Colorful and multiform multimedia questions
Provides 10 kinds of activity-models for interactive teaching and meeting.
Professional statistics analysis engine, automatically produce 10 kinds of reports tracking and recording the process of the activities.