... 50000h PF>0.6 Products characteristic: 1. Use high brightness , long life SMD LED, no light harm. 2. PFC>86% CRI ... >70% 3. Built-in constant current device, input voltage: 220V. Low weight, safe, long life, high load efficiency, and working ... need magnetic ballasts, starter, or electronic ballasts. 2. If the lamp bracket built-in magnetic ballast, please take it down. 3. If ...