... long life SMD LED, no light harm. 2. PFC>0.9 3. Power efficiency>86% CRI>70% 4. Built- ... into the lamp bracket, and directly input AC power. It doesn't need magnetic ballasts, starter, ... or electronic ballasts. 2. If the lamp bracket built-in magnetic ballast, ... down.3. Cautions: 1. Class Ⅱ, indoor 2. Please turn off power before load the products. 3. Product built- ...