... 2,Material: Aluminum 3,Frequency 230KHZ 4,Life100,000hrs, 5 years warranty Energy saving electronic ballast I Features1 No electrode ... 60.000hrs7 EMC meet the international L-level8 IC-controlled electronic ballast.9 Harmonic content <4%(120v), <5%(220v), <9 ... cost 3 Increases safety and security 4 Health and Environmental safety 5 Electrical grid safety Low frequency induction lamp electronic ballast ...