supply of adjustable spot light for driver and assistant driver desk illumination (lamp should be led based and operating voltage 110 volt dc) for locos.adjustable spot light for driver and assistant driver desk illumination (lamp should be led based and operating voltage 110 volt dc) for locos.,adjustable spot light for driver and assistant driver desk illumination (lamp should be led b ased and operating voltage 110 volt dc) for locos. entire assembly should confirm to clw spec.no.clw/es/ 3/0042/d except lamp, which should be led based with operating voltage 110 volt dc, quality of led shoul d be tested as per clw spec.no.clw/es/3/0654, para (2) technical data, where voltage to be considered a s 110v instead of indicated 24v. note: (1) potentio meter to be provided for smooth adjustment of illuminat ion in place of dim/bright switch. (2) the lux value at one meter distance should be in fully bright mode min imum 110 lux, and in fully dim condition maximum 10 lux. [ warranty period: 30 months after the date o f delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited