... start 4.25000hrs,2.5years warranty T8 to T5 convertor1.power14w 21w 28w 35w 54w2.power factorPF≥95% THD≤30%PF≥99 ... lifetime2years warranty for high quality5. Certificate Tuv-CE, RoHSProductSpecCurrent(A)Power(w)PFTHD%Flux lmTo replace tube TypeT5/35w0.14~0 ... ,000 hoursRelevant Certificate TUV-CE, RoHS,Warranty 2.5 years Power Factor0.99Optical Data :Light Color Warm White,Cool White,DaylightColor ...