… -Configurable Rear Window Digital Text Scroller (red, orange, yellow, green) -Ability to run (projector and transmitter) for up to 2.5 hours via 2 deep cycle batteries with a battery isolator, so if batteries drain too low, vehicle can be started to run the show completely from alternator power. In other words, there is reliable power as long as needed, without "plugging in". -Ability to plug in other A/C devices such as LED lighting, etc. -Ability to run the entire system off nearby (115 …