Inova microlight uv light the inova ultraviolet microlight is an ingenious precision engineered micro uv flashlight its great for detecting counterfeit notesids spotting fluorescent dyes or leaks during auto or air conditioning repairs if you need uv light for your hobby or profession then you know that it has a multitude of additional uses features high powered uv bulb 1 000 hour led life 365 400 nanometer wavelength 2 x cr2016 3v replaceable lithium batteries 365 400 nan