High power factor with power factor correction High lumen factor/Low THD and low crest factor Resisting the electromagnetic interference and surge current Abnormal protection against open load,short circuit and lamp failure Preheat start to prolong lamp life Glare-free and no noise High reliability Rated voltage:240V Rated wattage:18WX2/30WX2/36WX2 Rated current:0.154A/0.252A/0.31A Power factor>0.99 Lumen factor>0.95 Crest factor<1.6 THD<10%