Supply of Black Light Set For Magnaflux Testing With Separate Control Transformer, Hand Held Light Weight. Mini Mum Intensity 4000Micro Watt, Visible Emission At 325Mm Height, 10 Lux Bulb. Multiple Led Filter For Ultraviolet Li Ght Filtering. Operating Voltage220-240V, 50 Hz And 1 Ph Input To Be Supplied With Carrying Case. Make: Super Mag/Ndt Or Labino Or Karl Deutsch Only Warranty Period: 30 Months After The Date Of Delivery