1. Isolated driver with PF>0.98 under 100V , PF >0.9 under 277V input voltage .
2. High lumen efficiency up to 130lm/w, high CRI up to 85Ra, low THD which is below 15%.
3.LG brand LED as option ,LM80 approved with 50000hours lifespan
4.One end power and two end power are both available and listed in UL certificate
5. Warranty is 5 years warranty.