... .General Specs: Transmission distance > 100 metersTransmission angle 360 degreesPower required2 AAA 1.5 voltBattery life1-2 years ... matrix LCD display120 character inputTransmission distance, >100 metersTransmission angle:360 degreesDimensions of handset,52.8mm * 14.5mm*116mmPower, ... Case:1.Portugal sports club(SCP) used ENJOY Wireless Voting Systems in their meetings.2.Kuwait international meetings ...