supply of colour light signal led signal main led signal lighting unit 110v ac led signal yellow aspect integrated type rectrofittable in existing cls housing and compatib yellow led miniature type for tunnel spec rdso/spn/153 2023 rev 5.0, str: siq 0204 ver 0, (yellow)le with ac led ecr as per rdso specn.no.rdso/spn/199/2010 revision 1.1signal aspect led signal unit, 110v ac with health monitor alarm unit having lamp proving output to drive led lamp proving relay, the complete unit conforming to rdso specification no. rdso/spn/199/2010 revision 1.1 or with latest amendment or to the latest specification of led signal aspects and technical specifications.colour light signal led signal main led signal lighting unit 110v ac led signal yellow aspect integrated type rectrofittable in existing cls housing and compatib yellow led miniature type for tunnel spec rdso/spn/153 2023 rev 5.0, str: siq 0204 ver 0, (yellow)le with ac led ecr as per rdso specn.no.rdso/spn/199/2010 revision 1.1signal aspect led signal unit, 110v ac with health monitor alarm unit having lamp proving output to drive led lamp proving relay, the complete unit conforming to rdso specification no. rdso/spn/199/2010 revision 1.1 or with latest amendment or to the latest specification of led signal aspects and technical specifications.,colour light signal led signal main led signal lighting unit 110v ac led signal yellow aspe ct integrated type rectrofittable in existing cls housing and compatib yellow led miniature type for t unnel spec rdso/spn/153 2023 rev 5.0, str: siq 0204 ver 0, (yellow)le with ac led ecr as per rdso specn.no.rdso/spn/199/2010 revision 1.1signal aspect led signal unit, 110v ac with health monitor alar m unit having lamp proving output to drive led lamp proving relay, the complete unit conforming to rds o specification no. rdso/spn/199/2010 revision 1.1 or with latest amendment or to the latest specificati on of led signal aspects and technical specifications. [ warranty period: 30 mo