Smart Tag for confirmed stock availability, you have to go and buy from KL Sentral or Faber's towers at Tmn Desa. Price is RM 130, free touch n go card with RM10 value inside. If you do not want to opt for the touch n go card bundled, price is RM120 for smart tag alone.
Warranty one year.
Where to buy smart tag?, other than PLUS highway tol office