Jotron Tron 60AIS with manual bracket Tron 60AIS has both regular LED light and infrared light emitting diode (IR LED) incorporated. This IR LED allows the use of night vision, which better assists SAR operations that occur at night or in the dark.The Tron 60AIS can be used with the Galileo Return Link System, Europe’s Global Navigation Satellite System (operational since January 2020).This EPIRB has been tested for operational and performance requirements in accordance with the international standard, IEC 61097-2 Ed.4 (April 2021).