• LCD display, 16 buttons,0~9, A~F
• Support single and multiple correct option questions, 0~100 number input
• two AAA batteries, two years normal use
• Fast speed: 1 second for 100 keypads, 4.5 seconds for 400 keypads
• Support 3000 keypads: one receiver for 400 keypads, 7 receivers work at the same time

Receiver connects to standard USB port on a PC
Impact resistant handsets and instructor remotes designed to withstand accidental drops. Positive response buttons (you can feel the switch move when you press the buttons) are protected by a spill resistant cover.
Patent IR technolog
Two-way technology, never jam, never lost
High Speed - 100 audience keypads transmission < ONE second   (similar products may require 5 seconds or more).
Super-Wide-angle signal transmission > 280 degrees angle
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)
Up to 20 meters transmission and reception distance
Support cascade and uplink option
Support up to 400 audience keypads (enhance version)
Easy to install, easy to use
Plug-in software of MS PowerPoint
Support self-paced answering.
Multifunctional instructor remote
USB port or 232 port connection for choose
Third party software supportable

About software

ENJOY software is the easiest to use response system software available because it works directly with MS PowerPoint. If you already use PowerPoint you’ll find the familiar formats, icons, and commands. Use PowerPoint to design question slides and have access to the full range of PowerPoint design features to create interesting interactive slides and operate the slides with Enjoy’s easy to use instructor remote control. ENJOY software allows easy import of graphics into slides, and exports data and reports in MS Excel.

Enjoy software is provided on a CD and can also be downloaded from the web. There are no additional licensing charges or per seat fees for Enjoy software.
5 language versions: Chinese simple, Chinese traditional, English, Spanish, Hungarian.
PowerPoint plug-in, easy to learn and use, for the PowerPoint is familiar to many people.
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
Colorful and multiform multimedia questions
Flexible data transformation, analysis results can be presented in html and txt formats.
Statistics data can be exported as xls format.
Prompt diagnosis of teaching effectiveness and improve teaching process
Supports oral, blackboard or paper-based questions.
Auto-recognize function, no need transform of the used PPT slides.
Auto-setting question and options.