Signify Lighting, Ballast, Optanium, Commercial, eFluo Fix, Min Start Temp -18C, Amps 0.23-0.17A, Average Life 43800HRS, Volts 347-480V, Watts 32W, Non Dimmable, Number of Lamps 2, Ballasts Factor 1.2PCT, Input Frequency 50/60HZ, Programmed Start Yes, Certifications are ULISOFCCCSA, RoHS