* Any delegate unit can be preset as vice-chairman unit
* Push button for attendance registration & mic on/off
* 5 buttons for yes/no/abstain and multi-choice voting
* Up/down buttons for 6-language channel selection
* Unidirectional electret condenser microphone
* Red ring luminant to indicate active microphone
* Pluggable gooseneck microphone stem
* Built-in 2W/8Ω loudspeaker w/ level control
* 3.5 mm jacks for earphone & recording w/ level control
* Loudspeaker is auto turned off when mic is on or earphone is connected
* 65x32mm back-lit LCD screen
* Built-in chipcard reader for user identification
* Supports automatic video camera tracking
* Frequency response: 50-18kHz
* S/N ratio: -95dB/1mV
* Sensibility: -46±4dB
* Power input: 24V DC* Effective pick-up range: 0-600 mm
* Standard stem length: 425 mm
* Dimensions: 205*60*130mm (W*H*D) * 13-p captive cable length: 1.5m