The Advanced Network Devices IPCSL-W-RWB functions effectively in larger spaces like auditoriums because of the larger text/number size. The white LED display reads clearly up to 300 feet. The IPCSL-W-RWB includes an 8-inch PA speaker and a text size of 4.5 inches.

White LED display reads easily from a distance up to 300 feet
Built in microphone with two way communication and hands-free talk back
Configurable scrolling text with 1 or 2 line display
Automatically dim for different times of day
Reduce power usage at night to save energy
Send text messages to it from the web page
Configurable brightness and volume
Configurable fonts
Configurable NTP time server, time zone, etc.
Device status
Field upgradable
Independent line-in.
Can be configured to send line in audio to the speaker and/or broadcast to additional speakers
Only requires CAT 5 connection (up to 300ft) to network
Power over Ethernet (no power cord or adapter). No other equipment needed
Dual inputs and one output
Activate via telephone or programmatically
Full multicast and broadcast support. Send audio and/or scrolling text to individual, multiple, or all devices simultaneously