Light source: led item type: tube lights led light source: smd2835 warranty(years): 3 input voltage(v): 85-265v lamp luminous efficiency(lm/w): 90 cri (ra>): 80 color temperature(cct): 2700-6500k for optional working - +50 working lifetime(hour): 50000 lamp body material: aluminum ip rating: ip44 certification: ce, rohs place of origin: china (mainland) length: 60cm, 90cm, 120cm, 150cm watt: 8w, 12w, 15w, 18w, 24w application: office, shop, school, hospital, exhibition hall Packaging details: Standard export packing or customer's color box. Delivery detail: 3-7days for samples, 10-15workdays for formal order.