supply of led based driver and assistant driver desk illumination lamp. technical specification:- 1) operating voltage 18 to 30v dc , with nominal voltage of 24v dc. 2) high and low glow switch has to be provided. 3)the lamp unit shall have in built reverse polarity, over voltage trip, spike & surge protection. 4) mechanically the housing shall be as per clw specification no. clw/es/3/0042 alt d or latest.led based driver and assistant driver desk illumination lamp. technical specification:- 1) operating voltage 18 to 30v dc , with nominal voltage of 24v dc. 2) high and low glow switch has to be provided. 3)the lamp unit shall have in built reverse polarity, over voltage trip, spike & surge protection. 4) mechanically the housing shall be as per clw specification no. clw/es/3/0042 alt d or latest.,led based driver and assistant driver desk illumination lamp. technical specification:- 1 ) operating voltage 18 to 30v dc , with nominal voltage of 24v dc. 2) high and low glow switch has t o be provided. 3)the lamp unit shall have in built reverse polarity, over voltage trip, spike & surge pro tection. 4) mechanically the housing shall be as per clw specification no. clw/es/3/0042 alt d or late st. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] diesel stores depot/bza, andhra pradesh 6.00 numbers scr