1) Model no.: PL-S 4PIN, PL-S 2PIN, PL-L 4PIN, PL-C 2U 2PIN, PL-C 2U 4PIN; PL-T 3U 4PIN, PL-F 2U 4PIN, 2D SERIES 2) Base: 4PIN/2PIN 3) Life span: 8,000hrs 4) Color temperature: 6,400K-daylight / 4,100K-coolwhite; 2,700K-warmwhite 5) Excellent color rendering: RA ≥80