supply of led signal lighting itemsled signal lighting items,route led signal lighting unit,110vac, retrofittable in existing cls housing and compatible with ac led ecr as per rdso specification no. rds o/spn/153/2011,rev.4.1 draft or latest.(uvam sub id for led units of subsidiary signals is 3100194001) [ warranty period: 60 months after the date of deliv ery ] ] , main led signal lighting unit working on 110v ac as per rdso specn. no. rdso/spn/199/2010 rev.1.1, retrofittable in existing cls housing (sa: 23002, s23024/m) (rdso vendorlist uvam sub id for main aspect led signal units is 3100194002), yellow aspect [ warranty period: 6 0 months after the date of delivery ] ] , shunt led signal lighting unit 110v ac as per rdso specification no. rdso/spn/153/2011 (rev.4.1) or latest retrofittable in existing cls housi ng(sa; 23840, 23841) and compatible with ac led ecr as rds0 spec.. no. sts/relays ac lit led signal/09/2002 or latest. (uvam sub id for led units of subsi diary signals is 3100194001) [ warranty period: 60 months after the date of delivery ] ] , main led signal lighting unit working on 110 v ac as per rdso specn no.rdso/spn/199/2010 rev.1.1, retrofittable in existing cls housing(sa 23002, s 23024/m)(rdso vendor list uvam sub id for main aspect led signal units is 3100194002), aspect red. [ warranty period: 60 months after the dat e of delivery ] ] , main led signal lighting unit working on 110 v ac as per rdso specn no.rdso/spn/199/2010 rev.1.1, retrofittable in existing cls housing (s a 23002, s-23024/m), (rdso vendorlist uvam sub id for main aspect led signal units is 3100194002), green aspect [ warranty period: 60 months after th e date of delivery ] ]