LED BASED HEAD LIGHT as per RDSO Spec NO. RDSO/ 2017/ EL/ SPEC/ 0134 ( REV- 2 ) or Latest for WAP4/ WAG7 LOCOMOTIVES. Note: 1 ) Bird guard to be provided on Headlight glass to prevent breakage of glass due to bird hit. Die cast aluminum body to be provided for headlight for long life and prevention of corrosion. 2 ) Supply by APPROVED SOURCES ONLY as per RDSO Item ID: 3100109 in IREPS Vendor Directory. 3 ) Firm should submit authorized dealership certificate along with tender.