supply of portable hand held lamp with 2 uv-a led +1white light led . intensity of uva -light at a distance of 1 5 inches shall more than 4000 micro watt / cm2. light source 2 ( two ) uv-a led minimum and one ( 1 ) white light led . instant on with full power .peak wave length 365 nano meters ( plus or minus ) 5 nano meters with uv ?a pass filter . white light of uv-a led shall be less than 2 foot candles intensity. housing material shall be of robust aluminum. w eight shall be less than 1 kg ( one kg ) shall operate on single phase 100-240 volts ac 50 / 60 hz with a suitable power a daptor and power cord having 3 meters length minimum between lamp to mains .warranty three years from the date of commissioning . firm has to provide warranty certificate and performance certificate valid from the date of commis sioning. any defect in operation during the warranty period shall be vested upon the supplying agency and the firm has to do necessary repairs at free of cost.specification. astm e 3022 / astm e 1444, make: eeci / dndt / magnaflux / arora / labino. [ warranty period: 30 months after the date of delivery ]