Set of LED based flasher light for 1400 HP DEMU as per RDSO spec no. ELRS/ SPEC/ LFL/ 0017 Rev 1 ( Sept 04 ) or latest consisting of 02 items. 1 ) Lamp unit with hood- 01 no. 2 ) Control unit- 01 no. LED lamp unit I/ P voltage 90 to 140 VDC. specn: NA