T8 to T5 adaptor,used for replacing T8 light tube, energy saving up to 45%;T5 14w replace T8 18w; T5 28w--T8 36w ... ; T5 35w--T8 T8 to T5 adaptor Power:2*14w;2*28w Technical data: PF>99%,THD ... % 2years warranty Comply with TUV,CE,RoHS energy saving up to 45%, long lifetime, no flicker,no noise. use solid mercury ...