supply of led based driver and assistant driver deskled based driver and assistant driver desk,led based driver and assistant driver desk illumination lamp. technical specification:- 1) o perating voltage 18 to 30v dc , with nominal voltage of 24v dc. 2) high and low glow switch has to be p rovided. 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 with reference date as tender closing date [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]