Tenders for Supply of Led Based Flasher System Warning Light For Electric Locomotive To Rds Os Spec. No. Elrs/Spec/Lfl/0017 Rev.-1 Of September -2004. One Set Consists Of-- 1 Cont Rol Unit 2 Nos. 2 Lamp Unit With Hood 2 Nos Warranty Period: 24 Months After The Date Of Deliv Ery