Signify Lighting, Ballast, e-Vision, Outdoor Industry, eHID, Min Start Temp -20C, Amps 2.1-0.97/3.1-1.45A, Average Life 26280HRS, Volts 120-240V, Watts 210/315W, Non Dimmable, Number of Lamps 1, Ballasts Factor 1PCT, Input Frequency 50/60HZ, Programmed Start No, Certifications are ULISOFCCCSA, RoHS