Twin Filament Halogen Bulb Type-H4P45T (Ir) Twin Filament, Voltage Rating-2 4V,Wattage Rating100/90 W Bright / Dim At 28V For Twin Beam Head Light For Diesel Elect Ric Locomotive As Per Rdso Specification No. Elrs/Spec/Pr/0024 Rev-1 Sept-2004 Amendmen T No 1 And Instruction Bulletin No.Mp.Ib.Ec 01.08.06 Date 27.12.06.(Model: Halonix And Aut Opal) [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]