Student Response System 1. LCD display 2. 4 radios channels 3. 11 Activity modules 4. 2.4GHz digital RF technology The Student Response System General specs

 

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:

Dimensions of LCD: 25mm * 15mm 2.4GHz digital RF technology LCD display4 radios channels11 Activity modulesSupport Self-Paced-ResponseSupport Multi-Correct-OptionsID Address ProgrammablePower required: two 1.5 volt batteriesTransmission distance: > 100 metersBattery life: > 1 to 2 years for ordinary useHigh Speed - 100 audience keypads transmission < ONE second   (similar products may require 5 seconds or more).Super-Wide-angle signal transmission: 360 degrees angleID number changeable (compare to the obsolete ID setting mode of similar products), No need to keep a large stock of student remote. (For resellers)Support cascade and uplink optionSupport up to 999 audience keypads (enhanced version)Easy to install, easy to usePlug-in software of MS PowerPointMultifunctional instructor remoteUSB port or 232 port connectionThird party software supportable

About student remote:

2.4GHz digital RF technology LCD display 4 radios channels11 Activity modulesSupport Self-Paced-ResponseSupport Multi-Correct-OptionsID Address ProgrammablePower required: two 1.5 volt batteries (alkalescent battery will be better)Transmission distance: > 100 metersTransmission angle: 360 degreeBattery life: > 1 to 2 years for ordinary useDurable and not easily breakable, will not break or damage even drop to the cement ground from 5 meters highEasy to useUp to 999 remote controllers can be used at once (enhanced version)WDT reset support automatic program reset featureWeight:0.042 kg

About receiver:

2.4GHz digital RF technology4 radios channelsColor: black, opaquePort: USB port or 232 portWeight: 0.4kgOperating Temperature: 0-40 degreeOperating Relative Humidity: 0-90%Power required: DC12V, 800MA adapter or no requiredOperating Power: <1mwReceiving angle: 360 degreeReceiving distance: 100 meters radialAsteroid-link optionHigh processing speed - 999 audience keypads'   transmission < 5 secondOne receiver support up to 999 student keypadsEasy to install - use one RJ-45 cable for data & powerWeight:0.175kg