supply of portable hand-held lamp with 2uv-a led+1white light led. 1) intensity of uva-light at a distance of 15 inches shall more than 4000 micro watt/cm2. 2) light source 2 uv-a leds & 1 white led. 3) instant on with full power. 4) wavelength peak - 365 nano meters (plus or minus)5nm. 5) housing material shall be of robust aluminium. 6) weight shall be less than 01kg, shall operate on single phase, 100-240 volts ac,50/60hzs with a suitable power adopter and power cord having 3 meters length minimum between lamp to mains. 7) white light of uv-a led shall be less than 2-foot candles intensity. note: 1) guarantee/warranty & test certificate to be supplied along with material. 2) any defect in operation during the warranty period shall be vested up on the supplying agency and the firm has to do necessary repairs at free of cost. as per specification rdso/m&c/ndt/107/2007, (rev-2)july 2020 or latest. make: dndt/magnaflux /labino/spectronics/square marg or equivalent.portable hand-held lamp with 2uv-a led+1white light led. 1) intensity of uva-light at a distance of 15 inches shall more than 4000 micro watt/cm2. 2) light source 2 uv-a leds & 1 white led. 3) instant on with full power. 4) wavelength peak - 365 nano meters (plus or minus)5nm. 5) housing material shall be of robust aluminium. 6) weight shall be less than 01kg, shall operate on single phase, 100-240 volts ac,50/60hzs with a suitable power adopter and power cord having 3 meters length minimum between lamp to mains. 7) white light of uv-a led shall be less than 2-foot candles intensity. note: 1) guarantee/warranty & test certificate to be supplied along with material. 2) any defect in operation during the warranty period shall be vested up on the supplying agency and the firm has to do necessary repairs at free of cost. as per specification rdso/m&c/ndt/107/2007, (rev-2)july 2020 or latest. make: dndt/magnaflux /labino/spectronics/square marg or equivalent.,portable hand-held lamp with 2uv-a led+1white light l